23709511238 has 16 divisors (see below), whose sum is σ = 41217341184. Its totient is φ = 10018102920.

The previous prime is 23709511223. The next prime is 23709511303. The reversal of 23709511238 is 83211590732.

It is a junction number, because it is equal to n+sod(n) for n = 23709511195 and 23709511204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11925320 + ... + 11927307.

It is an arithmetic number, because the mean of its divisors is an integer number (2576083824).

Almost surely, 2^23709511238 is an apocalyptic number.

23709511238 is a deficient number, since it is larger than the sum of its proper divisors (17507829946).

23709511238 is a wasteful number, since it uses less digits than its factorization.

23709511238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23852707.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 23709511238 in words is "twenty-three billion, seven hundred nine million, five hundred eleven thousand, two hundred thirty-eight".