23928517455 has 16 divisors (see below), whose sum is σ = 38337876960. Its totient is φ = 12744459648.

The previous prime is 23928517441. The next prime is 23928517477. The reversal of 23928517455 is 55471582932.

It is not a de Polignac number, because 23928517455 - 2⁶ = 23928517391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23928517398 and 23928517407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1077160 + ... + 1099149.

It is an arithmetic number, because the mean of its divisors is an integer number (2396117310).

Almost surely, 2^23928517455 is an apocalyptic number.

23928517455 is a deficient number, since it is larger than the sum of its proper divisors (14409359505).

23928517455 is a wasteful number, since it uses less digits than its factorization.

23928517455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2177050.

The product of its digits is 3024000, while the sum is 51.

The spelling of 23928517455 in words is "twenty-three billion, nine hundred twenty-eight million, five hundred seventeen thousand, four hundred fifty-five".