23718132 has 18 divisors (see below), whose sum is σ = 59954258. Its totient is φ = 7906032.

The previous prime is 23718103. The next prime is 23718151. The reversal of 23718132 is 23181732.

It can be written as a sum of positive squares in only one way, i.e., 23561316 + 156816 = 4854^2 + 396^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 23718096 and 23718105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 329383 + ... + 329454.

Almost surely, 2^23718132 is an apocalyptic number.

It is an amenable number.

23718132 is an abundant number, since it is smaller than the sum of its proper divisors (36236126).

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

23718132 is a wasteful number, since it uses less digits than its factorization.

23718132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658847 (or 658842 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 23718132 is about 4870.1264870638. The cubic root of 23718132 is about 287.3162308906.

Adding to 23718132 its reverse (23181732), we get a palindrome (46899864).

The spelling of 23718132 in words is "twenty-three million, seven hundred eighteen thousand, one hundred thirty-two".