23148538 has 16 divisors (see below), whose sum is σ = 39924864. Its totient is φ = 9860400.

The previous prime is 23148533. The next prime is 23148539. The reversal of 23148538 is 83584132.

It is a happy number.

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, 2613 + ... + 7288.

It is an arithmetic number, because the mean of its divisors is an integer number (2495304).

Almost surely, 2^23148538 is an apocalyptic number.

23148538 is a deficient number, since it is larger than the sum of its proper divisors (16776326).

23148538 is a wasteful number, since it uses less digits than its factorization.

23148538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10077.

The product of its digits is 23040, while the sum is 34.

The square root of 23148538 is about 4811.2927576692. The cubic root of 23148538 is about 284.9975910333.

The spelling of 23148538 in words is "twenty-three million, one hundred forty-eight thousand, five hundred thirty-eight".