15028257023 has 16 divisors (see below), whose sum is σ = 17259611040. Its totient is φ = 12962267136.

The previous prime is 15028256993. The next prime is 15028257029. The reversal of 15028257023 is 32075282051.

It is not a de Polignac number, because 15028257023 - 2²⁶ = 14961148159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15028257029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213890 + ... + 275327.

It is an arithmetic number, because the mean of its divisors is an integer number (1078725690).

Almost surely, 2^15028257023 is an apocalyptic number.

15028257023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

15028257023 is a deficient number, since it is larger than the sum of its proper divisors (2231354017).

15028257023 is a wasteful number, since it uses less digits than its factorization.

15028257023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489386.

The product of its (nonzero) digits is 33600, while the sum is 35.

The spelling of 15028257023 in words is "fifteen billion, twenty-eight million, two hundred fifty-seven thousand, twenty-three".