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23123241241 = 87832632727
BaseRepresentation
bin10101100010010000…
…001010100100011001
32012200111110100210021
4111202100022210121
5334324022204431
614342255150441
71446005210332
oct254220124431
965614410707
1023123241241
119896515431
124593b15421
13224677c489
14119500d289
15905055b11
hex56240a919

23123241241 has 4 divisors (see below), whose sum is σ = 23125882752. Its totient is φ = 23120599732.

The previous prime is 23123241227. The next prime is 23123241259. The reversal of 23123241241 is 14214232132.

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 a cyclic number.

It is not a de Polignac number, because 23123241241 - 217 = 23123110169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23123241941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1307581 + ... + 1325146.

It is an arithmetic number, because the mean of its divisors is an integer number (5781470688).

Almost surely, 223123241241 is an apocalyptic number.

It is an amenable number.

23123241241 is a deficient number, since it is larger than the sum of its proper divisors (2641511).

23123241241 is an equidigital number, since it uses as much as digits as its factorization.

23123241241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2641510.

The product of its digits is 2304, while the sum is 25.

Adding to 23123241241 its reverse (14214232132), we get a palindrome (37337473373).

The spelling of 23123241241 in words is "twenty-three billion, one hundred twenty-three million, two hundred forty-one thousand, two hundred forty-one".

Divisors: 1 8783 2632727 23123241241