23112120 has 32 divisors (see below), whose sum is σ = 69336720. Its totient is φ = 6163200.

The previous prime is 23112083. The next prime is 23112121. The reversal of 23112120 is 2121132.

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

It is a junction number, because it is equal to n+sod(n) for n = 23112096 and 23112105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23112121) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 96181 + ... + 96420.

Almost surely, 2^23112120 is an apocalyptic number.

23112120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23112120 is an abundant number, since it is smaller than the sum of its proper divisors (46224600).

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

23112120 is a wasteful number, since it uses less digits than its factorization.

23112120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192615 (or 192611 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 23112120 is about 4807.5066302606. The cubic root of 23112120 is about 284.8480568970.

Adding to 23112120 its reverse (2121132), we get a palindrome (25233252).

It can be divided in two parts, 23112 and 120, that added together give a palindrome (23232).

The spelling of 23112120 in words is "twenty-three million, one hundred twelve thousand, one hundred twenty".