23130164 has 18 divisors (see below), whose sum is σ = 40957350. Its totient is φ = 11429152.

The previous prime is 23130137. The next prime is 23130169. The reversal of 23130164 is 46103132.

It can be written as a sum of positive squares in 3 ways, for example, as 12306064 + 10824100 = 3508^2 + 3290^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23130169) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117314 + ... + 117510.

Almost surely, 2^23130164 is an apocalyptic number.

It is an amenable number.

23130164 is a deficient number, since it is larger than the sum of its proper divisors (17827186).

23130164 is a wasteful number, since it uses less digits than its factorization.

23130164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547 (or 348 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 23130164 is about 4809.3829125991. The cubic root of 23130164 is about 284.9221660851.

Adding to 23130164 its reverse (46103132), we get a palindrome (69233296).

The spelling of 23130164 in words is "twenty-three million, one hundred thirty thousand, one hundred sixty-four".