23500563603442 has 4 divisors (see below), whose sum is σ = 35250845405166. Its totient is φ = 11750281801720.

The previous prime is 23500563603431. The next prime is 23500563603463. The reversal of 23500563603442 is 24430636500532.

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., 22977153315601 + 523410287841 = 4793449^2 + 723471^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5875140900859 + ... + 5875140900862.

Almost surely, 2^{23500563603442} is an apocalyptic number.

23500563603442 is a deficient number, since it is larger than the sum of its proper divisors (11750281801724).

23500563603442 is a wasteful number, since it uses less digits than its factorization.

23500563603442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11750281801723.

The product of its (nonzero) digits is 1555200, while the sum is 43.

The spelling of 23500563603442 in words is "twenty-three trillion, five hundred billion, five hundred sixty-three million, six hundred three thousand, four hundred forty-two".