23147152 has 40 divisors (see below), whose sum is σ = 51532416. Its totient is φ = 9866496.

The previous prime is 23147143. The next prime is 23147197. The reversal of 23147152 is 25174132.

It is a happy number.

It is a super-2 number, since 2×23147152² = 1071581291422208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25653 + ... + 26539.

Almost surely, 2^23147152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23147152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25766208).

23147152 is an abundant number, since it is smaller than the sum of its proper divisors (28385264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23147152 is a wasteful number, since it uses less digits than its factorization.

23147152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135 (or 1129 counting only the distinct ones).

The product of its digits is 1680, while the sum is 25.

The square root of 23147152 is about 4811.1487193809. The cubic root of 23147152 is about 284.9919029196.

The spelling of 23147152 in words is "twenty-three million, one hundred forty-seven thousand, one hundred fifty-two".