23112300 has 36 divisors (see below), whose sum is σ = 66872456. Its totient is φ = 6163200.

The previous prime is 23112289. The next prime is 23112317. The reversal of 23112300 is 321132.

It is a happy number.

It is a super-2 number, since 2×23112300² = 1068356822580000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38221 + ... + 38820.

Almost surely, 2^23112300 is an apocalyptic number.

23112300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23112300 is an abundant number, since it is smaller than the sum of its proper divisors (43760156).

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

23112300 is a wasteful number, since it uses less digits than its factorization.

23112300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77058 (or 77051 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 23112300 is about 4807.5253509472. The cubic root of 23112300 is about 284.8487963722.

Adding to 23112300 its reverse (321132), we get a palindrome (23433432).

The spelling of 23112300 in words is "twenty-three million, one hundred twelve thousand, three hundred".