15726945023 has 2 divisors, whose sum is σ = 15726945024. Its totient is φ = 15726945022.

The previous prime is 15726945007. The next prime is 15726945067. The reversal of 15726945023 is 32054962751.

It is an a-pointer prime, because the next prime (15726945067) can be obtained adding 15726945023 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15726945023 - 2⁴ = 15726945007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15726905023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7863472511 + 7863472512.

It is an arithmetic number, because the mean of its divisors is an integer number (7863472512).

Almost surely, 2^15726945023 is an apocalyptic number.

15726945023 is a deficient number, since it is larger than the sum of its proper divisors (1).

15726945023 is an equidigital number, since it uses as much as digits as its factorization.

15726945023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 44.

The spelling of 15726945023 in words is "fifteen billion, seven hundred twenty-six million, nine hundred forty-five thousand, twenty-three".