23148530 has 16 divisors (see below), whose sum is σ = 41797080. Its totient is φ = 9230592.

The previous prime is 23148523. The next prime is 23148533. The reversal of 23148530 is 3584132.

It can be written as a sum of positive squares in 4 ways, for example, as 8579041 + 14569489 = 2929^2 + 3817^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23148530.

It is not an unprimeable number, because it can be changed into a prime (23148533) 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, 65 + ... + 6804.

Almost surely, 2^23148530 is an apocalyptic number.

23148530 is a deficient number, since it is larger than the sum of its proper divisors (18648550).

23148530 is a wasteful number, since it uses less digits than its factorization.

23148530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7213.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 23148530 is about 4811.2919262917. The cubic root of 23148530 is about 284.9975582021.

The spelling of 23148530 in words is "twenty-three million, one hundred forty-eight thousand, five hundred thirty".