23312451455 has 4 divisors (see below), whose sum is σ = 27974941752. Its totient is φ = 18649961160.

The previous prime is 23312451431. The next prime is 23312451499. The reversal of 23312451455 is 55415421332.

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

It is not a de Polignac number, because 23312451455 - 2¹⁰ = 23312450431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2331245141 + ... + 2331245150.

It is an arithmetic number, because the mean of its divisors is an integer number (6993735438).

Almost surely, 2^23312451455 is an apocalyptic number.

23312451455 is a deficient number, since it is larger than the sum of its proper divisors (4662490297).

23312451455 is an equidigital number, since it uses as much as digits as its factorization.

23312451455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4662490296.

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

Adding to 23312451455 its reverse (55415421332), we get a palindrome (78727872787).

The spelling of 23312451455 in words is "twenty-three billion, three hundred twelve million, four hundred fifty-one thousand, four hundred fifty-five".