23230155 has 16 divisors (see below), whose sum is σ = 40027680. Its totient is φ = 11436288.

The previous prime is 23230147. The next prime is 23230169. The reversal of 23230155 is 55103232.

It is not a de Polignac number, because 23230155 - 2³ = 23230147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59370 + ... + 59759.

It is an arithmetic number, because the mean of its divisors is an integer number (2501730).

Almost surely, 2^23230155 is an apocalyptic number.

23230155 is a deficient number, since it is larger than the sum of its proper divisors (16797525).

23230155 is a wasteful number, since it uses less digits than its factorization.

23230155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119150.

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

The square root of 23230155 is about 4819.7671105563. The cubic root of 23230155 is about 285.3321458460.

Adding to 23230155 its reverse (55103232), we get a palindrome (78333387).

The spelling of 23230155 in words is "twenty-three million, two hundred thirty thousand, one hundred fifty-five".