23012510450555 has 4 divisors (see below), whose sum is σ = 27615012540672. Its totient is φ = 18410008360440.

The previous prime is 23012510450549. The next prime is 23012510450647. The reversal of 23012510450555 is 55505401521032.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 23012510450555 - 2¹⁸ = 23012510188411 is a prime.

It is a Duffinian number.

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, 2301251045051 + ... + 2301251045060.

It is an arithmetic number, because the mean of its divisors is an integer number (6903753135168).

Almost surely, 2^{23012510450555} is an apocalyptic number.

23012510450555 is a deficient number, since it is larger than the sum of its proper divisors (4602502090117).

23012510450555 is an equidigital number, since it uses as much as digits as its factorization.

23012510450555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4602502090116.

The product of its (nonzero) digits is 150000, while the sum is 38.

Adding to 23012510450555 its reverse (55505401521032), we get a palindrome (78517911971587).

The spelling of 23012510450555 in words is "twenty-three trillion, twelve billion, five hundred ten million, four hundred fifty thousand, five hundred fifty-five".