23323155 has 8 divisors (see below), whose sum is σ = 37317072. Its totient is φ = 12439008.

The previous prime is 23323147. The next prime is 23323159. The reversal of 23323155 is 55132332.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23323155 - 2³ = 23323147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23323159) 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, 777424 + ... + 777453.

It is an arithmetic number, because the mean of its divisors is an integer number (4664634).

Almost surely, 2^23323155 is an apocalyptic number.

23323155 is a deficient number, since it is larger than the sum of its proper divisors (13993917).

23323155 is a wasteful number, since it uses less digits than its factorization.

23323155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1554885.

The product of its digits is 2700, while the sum is 24.

The square root of 23323155 is about 4829.4052428845. The cubic root of 23323155 is about 285.7124067138.

Adding to 23323155 its reverse (55132332), we get a palindrome (78455487).

The spelling of 23323155 in words is "twenty-three million, three hundred twenty-three thousand, one hundred fifty-five".