23015451073 has 2 divisors, whose sum is σ = 23015451074. Its totient is φ = 23015451072.

The previous prime is 23015451031. The next prime is 23015451131. The reversal of 23015451073 is 37015451032.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20341320129 + 2674130944 = 142623^2 + 51712^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23015451073 is a prime.

It is not a weakly prime, because it can be changed into another prime (23015451373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11507725536 + 11507725537.

It is an arithmetic number, because the mean of its divisors is an integer number (11507725537).

Almost surely, 2^23015451073 is an apocalyptic number.

It is an amenable number.

23015451073 is a deficient number, since it is larger than the sum of its proper divisors (1).

23015451073 is an equidigital number, since it uses as much as digits as its factorization.

23015451073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 31.

The spelling of 23015451073 in words is "twenty-three billion, fifteen million, four hundred fifty-one thousand, seventy-three".