23515148 has 12 divisors (see below), whose sum is σ = 43572312. Its totient is φ = 11065920.

The previous prime is 23515147. The next prime is 23515171. The reversal of 23515148 is 84151532.

It is a self number, because there is not a number n which added to its sum of digits gives 23515148.

It is not an unprimeable number, because it can be changed into a prime (23515147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172838 + ... + 172973.

It is an arithmetic number, because the mean of its divisors is an integer number (3631026).

Almost surely, 2^23515148 is an apocalyptic number.

It is an amenable number.

23515148 is a deficient number, since it is larger than the sum of its proper divisors (20057164).

23515148 is a wasteful number, since it uses less digits than its factorization.

23515148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345832 (or 345830 counting only the distinct ones).

The product of its digits is 4800, while the sum is 29.

The square root of 23515148 is about 4849.2420026227. The cubic root of 23515148 is about 286.4942470167.

The spelling of 23515148 in words is "twenty-three million, five hundred fifteen thousand, one hundred forty-eight".