23000221525451 has 2 divisors, whose sum is σ = 23000221525452. Its totient is φ = 23000221525450.

The previous prime is 23000221525447. The next prime is 23000221525537. The reversal of 23000221525451 is 15452512200032.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23000221525451 - 2² = 23000221525447 is a prime.

It is not a weakly prime, because it can be changed into another prime (23000221525051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11500110762725 + 11500110762726.

It is an arithmetic number, because the mean of its divisors is an integer number (11500110762726).

Almost surely, 2^{23000221525451} is an apocalyptic number.

23000221525451 is a deficient number, since it is larger than the sum of its proper divisors (1).

23000221525451 is an equidigital number, since it uses as much as digits as its factorization.

23000221525451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 23000221525451 its reverse (15452512200032), we get a palindrome (38452733725483).

The spelling of 23000221525451 in words is "twenty-three trillion, two hundred twenty-one million, five hundred twenty-five thousand, four hundred fifty-one".