23666262513451 has 2 divisors, whose sum is σ = 23666262513452. Its totient is φ = 23666262513450.

The previous prime is 23666262513409. The next prime is 23666262513469. The reversal of 23666262513451 is 15431526266632.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23666262513451 - 2¹⁹ = 23666261989163 is a prime.

It is not a weakly prime, because it can be changed into another prime (23666262513151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11833131256725 + 11833131256726.

It is an arithmetic number, because the mean of its divisors is an integer number (11833131256726).

Almost surely, 2^{23666262513451} is an apocalyptic number.

23666262513451 is a deficient number, since it is larger than the sum of its proper divisors (1).

23666262513451 is an equidigital number, since it uses as much as digits as its factorization.

23666262513451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9331200, while the sum is 52.

The spelling of 23666262513451 in words is "twenty-three trillion, six hundred sixty-six billion, two hundred sixty-two million, five hundred thirteen thousand, four hundred fifty-one".