23465029138 has 4 divisors (see below), whose sum is σ = 35197543710. Its totient is φ = 11732514568.

The previous prime is 23465029117. The next prime is 23465029163. The reversal of 23465029138 is 83192056432.

23465029138 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17869540329 + 5595488809 = 133677^2 + 74803^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23465029094 and 23465029103.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5866257283 + ... + 5866257286.

Almost surely, 2^23465029138 is an apocalyptic number.

23465029138 is a deficient number, since it is larger than the sum of its proper divisors (11732514572).

23465029138 is a wasteful number, since it uses less digits than its factorization.

23465029138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11732514571.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 23465029138 in words is "twenty-three billion, four hundred sixty-five million, twenty-nine thousand, one hundred thirty-eight".