23138656495 has 8 divisors (see below), whose sum is σ = 27780207120. Its totient is φ = 18501712320.

The previous prime is 23138656493. The next prime is 23138656501. The reversal of 23138656495 is 59465683132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23138656495 - 2¹ = 23138656493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23138656493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1140550 + ... + 1160659.

It is an arithmetic number, because the mean of its divisors is an integer number (3472525890).

Almost surely, 2^23138656495 is an apocalyptic number.

23138656495 is a deficient number, since it is larger than the sum of its proper divisors (4641550625).

23138656495 is a wasteful number, since it uses less digits than its factorization.

23138656495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2303225.

The product of its digits is 4665600, while the sum is 52.

The spelling of 23138656495 in words is "twenty-three billion, one hundred thirty-eight million, six hundred fifty-six thousand, four hundred ninety-five".