23504332402451 has 2 divisors, whose sum is σ = 23504332402452. Its totient is φ = 23504332402450.

The previous prime is 23504332402433. The next prime is 23504332402471. The reversal of 23504332402451 is 15420423340532.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23504332402451 - 2⁶ = 23504332402387 is a prime.

It is not a weakly prime, because it can be changed into another prime (23504332402471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11752166201225 + 11752166201226.

It is an arithmetic number, because the mean of its divisors is an integer number (11752166201226).

Almost surely, 2^{23504332402451} is an apocalyptic number.

23504332402451 is a deficient number, since it is larger than the sum of its proper divisors (1).

23504332402451 is an equidigital number, since it uses as much as digits as its factorization.

23504332402451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 345600, while the sum is 38.

Adding to 23504332402451 its reverse (15420423340532), we get a palindrome (38924755742983).

The spelling of 23504332402451 in words is "twenty-three trillion, five hundred four billion, three hundred thirty-two million, four hundred two thousand, four hundred fifty-one".