23385136 has 40 divisors (see below), whose sum is σ = 47430000. Its totient is φ = 11155200.

The previous prime is 23385119. The next prime is 23385151. The reversal of 23385136 is 63158332.

It is a junction number, because it is equal to n+sod(n) for n = 23385098 and 23385107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46615 + ... + 47113.

It is an arithmetic number, because the mean of its divisors is an integer number (1185750).

Almost surely, 2^23385136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23385136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23715000).

23385136 is an abundant number, since it is smaller than the sum of its proper divisors (24044864).

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

23385136 is a wasteful number, since it uses less digits than its factorization.

23385136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637 (or 631 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 23385136 is about 4835.8180280073. The cubic root of 23385136 is about 285.9652752598.

The spelling of 23385136 in words is "twenty-three million, three hundred eighty-five thousand, one hundred thirty-six".