230155023 has 16 divisors (see below), whose sum is σ = 350933760. Its totient is φ = 131434176.

The previous prime is 230155001. The next prime is 230155031. The reversal of 230155023 is 320551032.

It is not a de Polignac number, because 230155023 - 2⁹ = 230154511 is a prime.

It is a super-2 number, since 2×230155023² = 105942669224261058, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230156023) 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, 49411 + ... + 53867.

It is an arithmetic number, because the mean of its divisors is an integer number (21933360).

Almost surely, 2^230155023 is an apocalyptic number.

230155023 is a deficient number, since it is larger than the sum of its proper divisors (120778737).

230155023 is a wasteful number, since it uses less digits than its factorization.

230155023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6926.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 230155023 is about 15170.8609841367. The cubic root of 230155023 is about 612.8301908682.

The spelling of 230155023 in words is "two hundred thirty million, one hundred fifty-five thousand, twenty-three".