15880023013 has 2 divisors, whose sum is σ = 15880023014. Its totient is φ = 15880023012.

The previous prime is 15880022999. The next prime is 15880023037. The reversal of 15880023013 is 31032008851.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14404080289 + 1475942724 = 120017^2 + 38418^2 .

It is a cyclic number.

It is not a de Polignac number, because 15880023013 - 2⁵ = 15880022981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15880023413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7940011506 + 7940011507.

It is an arithmetic number, because the mean of its divisors is an integer number (7940011507).

Almost surely, 2^15880023013 is an apocalyptic number.

It is an amenable number.

15880023013 is a deficient number, since it is larger than the sum of its proper divisors (1).

15880023013 is an equidigital number, since it uses as much as digits as its factorization.

15880023013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 31.

The spelling of 15880023013 in words is "fifteen billion, eight hundred eighty million, twenty-three thousand, thirteen".