23015530154 has 16 divisors (see below), whose sum is σ = 35678308680. Its totient is φ = 11127728640.

The previous prime is 23015530151. The next prime is 23015530183. The reversal of 23015530154 is 45103551032.

It can be written as a sum of positive squares in 4 ways, for example, as 6103828129 + 16911702025 = 78127^2 + 130045^2 .

It is not an unprimeable number, because it can be changed into a prime (23015530151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1232669 + ... + 1251200.

Almost surely, 2^23015530154 is an apocalyptic number.

23015530154 is a deficient number, since it is larger than the sum of its proper divisors (12662778526).

23015530154 is a wasteful number, since it uses less digits than its factorization.

23015530154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2484025.

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 23015530154 in words is "twenty-three billion, fifteen million, five hundred thirty thousand, one hundred fifty-four".