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23523113253 = 37841037751
BaseRepresentation
bin10101111010000101…
…100011100100100101
32020201100212222001210
4111322011203210211
5341133404111003
614450101542033
71461632110053
oct257205434445
966640788053
1023523113253
119a81203172
124685a14919
1322ab577733
1411d217d1d3
1592a1e1503
hex57a163925

23523113253 has 4 divisors (see below), whose sum is σ = 31364151008. Its totient is φ = 15682075500.

The previous prime is 23523113221. The next prime is 23523113261. The reversal of 23523113253 is 35231132532.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 23523113253 - 25 = 23523113221 is a prime.

It is a super-2 number, since 2×235231132532 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23523113253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23523113353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3920518873 + ... + 3920518878.

It is an arithmetic number, because the mean of its divisors is an integer number (7841037752).

Almost surely, 223523113253 is an apocalyptic number.

It is an amenable number.

23523113253 is a deficient number, since it is larger than the sum of its proper divisors (7841037755).

23523113253 is an equidigital number, since it uses as much as digits as its factorization.

23523113253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7841037754.

The product of its digits is 16200, while the sum is 30.

Adding to 23523113253 its reverse (35231132532), we get a palindrome (58754245785).

The spelling of 23523113253 in words is "twenty-three billion, five hundred twenty-three million, one hundred thirteen thousand, two hundred fifty-three".

Divisors: 1 3 7841037751 23523113253