23105604554 has 4 divisors (see below), whose sum is σ = 34658406834. Its totient is φ = 11552802276.

The previous prime is 23105604541. The next prime is 23105604593. The reversal of 23105604554 is 45540650132.

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., 20670675529 + 2434929025 = 143773^2 + 49345^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5776401137 + ... + 5776401140.

Almost surely, 2^23105604554 is an apocalyptic number.

23105604554 is a deficient number, since it is larger than the sum of its proper divisors (11552802280).

23105604554 is a wasteful number, since it uses less digits than its factorization.

23105604554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11552802279.

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 23105604554 in words is "twenty-three billion, one hundred five million, six hundred four thousand, five hundred fifty-four".