23245155 has 48 divisors (see below), whose sum is σ = 42378336. Its totient is φ = 11773440.

The previous prime is 23245141. The next prime is 23245169. The reversal of 23245155 is 55154232.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23245141) and next prime (23245169).

It is not a de Polignac number, because 23245155 - 2¹⁰ = 23244131 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 79189 + ... + 79481.

It is an arithmetic number, because the mean of its divisors is an integer number (882882).

Almost surely, 2^23245155 is an apocalyptic number.

23245155 is a deficient number, since it is larger than the sum of its proper divisors (19133181).

23245155 is a wasteful number, since it uses less digits than its factorization.

23245155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388 (or 385 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 23245155 is about 4821.3229512241. The cubic root of 23245155 is about 285.3935468039.

Adding to 23245155 its reverse (55154232), we get a palindrome (78399387).

The spelling of 23245155 in words is "twenty-three million, two hundred forty-five thousand, one hundred fifty-five".