23755578458 has 4 divisors (see below), whose sum is σ = 35633367690. Its totient is φ = 11877789228.

The previous prime is 23755578443. The next prime is 23755578461. The reversal of 23755578458 is 85487555732.

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., 17947157089 + 5808421369 = 133967^2 + 76213^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23755578397 and 23755578406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5938894613 + ... + 5938894616.

Almost surely, 2^23755578458 is an apocalyptic number.

23755578458 is a deficient number, since it is larger than the sum of its proper divisors (11877789232).

23755578458 is a wasteful number, since it uses less digits than its factorization.

23755578458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11877789231.

The product of its digits is 47040000, while the sum is 59.

The spelling of 23755578458 in words is "twenty-three billion, seven hundred fifty-five million, five hundred seventy-eight thousand, four hundred fifty-eight".