23309850231 has 24 divisors (see below), whose sum is σ = 34983000000. Its totient is φ = 14938483392.

The previous prime is 23309850229. The next prime is 23309850247. The reversal of 23309850231 is 13205890332.

23309850231 is a `hidden beast` number, since 2 + 3 + 30 + 98 + 502 + 31 = 666.

It is not a de Polignac number, because 23309850231 - 2¹ = 23309850229 is a prime.

It is a super-2 number, since 2×23309850231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23309850251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135231 + ... + 254768.

It is an arithmetic number, because the mean of its divisors is an integer number (1457625000).

Almost surely, 2^23309850231 is an apocalyptic number.

23309850231 is a deficient number, since it is larger than the sum of its proper divisors (11673149769).

23309850231 is a wasteful number, since it uses less digits than its factorization.

23309850231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390263 (or 390260 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 23309850231 in words is "twenty-three billion, three hundred nine million, eight hundred fifty thousand, two hundred thirty-one".