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23252830237 = 7132311109809
BaseRepresentation
bin10101101001111110…
…100000100000011101
32020000112022011110201
4111221332200200131
5340110211031422
614403204503501
71452140536660
oct255176404035
966015264421
1023252830237
11995268657a
12460b3aab91
132267582b60
1411a83036d7
15911602727
hex569fa081d

23252830237 has 16 divisors (see below), whose sum is σ = 29863169280. Its totient is φ = 17597935872.

The previous prime is 23252830229. The next prime is 23252830247. The reversal of 23252830237 is 73203825232.

It is a cyclic number.

It is not a de Polignac number, because 23252830237 - 23 = 23252830229 is a prime.

It is a super-2 number, since 2×232528302372 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23252830196 and 23252830205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23252830247) 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 15 ways as a sum of consecutive naturals, for example, 5552812 + ... + 5556997.

It is an arithmetic number, because the mean of its divisors is an integer number (1866448080).

Almost surely, 223252830237 is an apocalyptic number.

It is an amenable number.

23252830237 is a deficient number, since it is larger than the sum of its proper divisors (6610339043).

23252830237 is a wasteful number, since it uses less digits than its factorization.

23252830237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11109852.

The product of its (nonzero) digits is 120960, while the sum is 37.

The spelling of 23252830237 in words is "twenty-three billion, two hundred fifty-two million, eight hundred thirty thousand, two hundred thirty-seven".

Divisors: 1 7 13 23 91 161 299 2093 11109809 77768663 144427517 255525607 1010992619 1788679249 3321832891 23252830237