23387238011 has 12 divisors (see below), whose sum is σ = 24931757352. Its totient is φ = 21933662208.

The previous prime is 23387237987. The next prime is 23387238071. The reversal of 23387238011 is 11083278332.

It is not a de Polignac number, because 23387238011 - 2²² = 23383043707 is a prime.

It is a super-2 number, since 2×23387238011² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23387238071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61190 + ... + 224763.

It is an arithmetic number, because the mean of its divisors is an integer number (2077646446).

Almost surely, 2^23387238011 is an apocalyptic number.

23387238011 is a deficient number, since it is larger than the sum of its proper divisors (1544519341).

23387238011 is a wasteful number, since it uses less digits than its factorization.

23387238011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286270 (or 286253 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 23387238011 in words is "twenty-three billion, three hundred eighty-seven million, two hundred thirty-eight thousand, eleven".