23016458859451 has 4 divisors (see below), whose sum is σ = 23758925274304. Its totient is φ = 22273992444600.

The previous prime is 23016458859439. The next prime is 23016458859497. The reversal of 23016458859451 is 15495885461032.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 23016458859451 - 2⁷ = 23016458859323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23016458859451.

It is not an unprimeable number, because it can be changed into a prime (23016458899451) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 371233207380 + ... + 371233207441.

It is an arithmetic number, because the mean of its divisors is an integer number (5939731318576).

Almost surely, 2^{23016458859451} is an apocalyptic number.

23016458859451 is a deficient number, since it is larger than the sum of its proper divisors (742466414853).

23016458859451 is an equidigital number, since it uses as much as digits as its factorization.

23016458859451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742466414852.

The product of its (nonzero) digits is 41472000, while the sum is 61.

The spelling of 23016458859451 in words is "twenty-three trillion, sixteen billion, four hundred fifty-eight million, eight hundred fifty-nine thousand, four hundred fifty-one".