23132120 has 64 divisors (see below), whose sum is σ = 59788800. Its totient is φ = 7966080.

The previous prime is 23132119. The next prime is 23132147. The reversal of 23132120 is 2123132.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23132095 and 23132104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6977 + ... + 9743.

It is an arithmetic number, because the mean of its divisors is an integer number (934200).

Almost surely, 2^23132120 is an apocalyptic number.

23132120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23132120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29894400).

23132120 is an abundant number, since it is smaller than the sum of its proper divisors (36656680).

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

23132120 is a wasteful number, since it uses less digits than its factorization.

23132120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2808 (or 2804 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 23132120 is about 4809.5862607921. The cubic root of 23132120 is about 284.9301973302.

Adding to 23132120 its reverse (2123132), we get a palindrome (25255252).

The spelling of 23132120 in words is "twenty-three million, one hundred thirty-two thousand, one hundred twenty".