23024155 has 32 divisors (see below), whose sum is σ = 34928640. Its totient is φ = 14152320.

The previous prime is 23024149. The next prime is 23024159. The reversal of 23024155 is 55142032.

It is not a de Polignac number, because 23024155 - 2³ = 23024147 is a prime.

It is a super-3 number, since 3×23024155³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (23024159) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30037 + ... + 30793.

It is an arithmetic number, because the mean of its divisors is an integer number (1091520).

Almost surely, 2^23024155 is an apocalyptic number.

23024155 is a deficient number, since it is larger than the sum of its proper divisors (11904485).

23024155 is a wasteful number, since it uses less digits than its factorization.

23024155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 23024155 is about 4798.3491952962. The cubic root of 23024155 is about 284.4862191057.

Adding to 23024155 its reverse (55142032), we get a palindrome (78166187).

The spelling of 23024155 in words is "twenty-three million, twenty-four thousand, one hundred fifty-five".