23625315451 has 2 divisors, whose sum is σ = 23625315452. Its totient is φ = 23625315450.

The previous prime is 23625315437. The next prime is 23625315491. The reversal of 23625315451 is 15451352632.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23625315451 - 2⁹ = 23625314939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23625315451.

It is not a weakly prime, because it can be changed into another prime (23625315401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11812657725 + 11812657726.

It is an arithmetic number, because the mean of its divisors is an integer number (11812657726).

Almost surely, 2^23625315451 is an apocalyptic number.

23625315451 is a deficient number, since it is larger than the sum of its proper divisors (1).

23625315451 is an equidigital number, since it uses as much as digits as its factorization.

23625315451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108000, while the sum is 37.

It can be divided in two parts, 23625 and 315451, that added together give a triangular number (339076 = T₈₂₃).

The spelling of 23625315451 in words is "twenty-three billion, six hundred twenty-five million, three hundred fifteen thousand, four hundred fifty-one".