23790820738 has 8 divisors (see below), whose sum is σ = 35706318732. Its totient is φ = 11888714496.

The previous prime is 23790820717. The next prime is 23790820747. The reversal of 23790820738 is 83702809732.

It can be written as a sum of positive squares in 2 ways, for example, as 23785967529 + 4853209 = 154227^2 + 2203^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 23790820691 and 23790820700.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3343495 + ... + 3350602.

Almost surely, 2^23790820738 is an apocalyptic number.

23790820738 is a deficient number, since it is larger than the sum of its proper divisors (11915497994).

23790820738 is a wasteful number, since it uses less digits than its factorization.

23790820738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6695876.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The spelling of 23790820738 in words is "twenty-three billion, seven hundred ninety million, eight hundred twenty thousand, seven hundred thirty-eight".