23148730 has 32 divisors (see below), whose sum is σ = 48133440. Its totient is φ = 7921920.

The previous prime is 23148703. The next prime is 23148731. The reversal of 23148730 is 3784132.

It is a super-2 number, since 2×23148730² = 1071727401225800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23148731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4320 + ... + 8059.

It is an arithmetic number, because the mean of its divisors is an integer number (1504170).

Almost surely, 2^23148730 is an apocalyptic number.

23148730 is an abundant number, since it is smaller than the sum of its proper divisors (24984710).

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

23148730 is a wasteful number, since it uses less digits than its factorization.

23148730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12414.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 23148730 is about 4811.3127106851. The cubic root of 23148730 is about 284.9983789792.

The spelling of 23148730 in words is "twenty-three million, one hundred forty-eight thousand, seven hundred thirty".