23497938 has 40 divisors (see below), whose sum is σ = 54362880. Its totient is φ = 7578360.

The previous prime is 23497937. The next prime is 23497987. The reversal of 23497938 is 83979432.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23497893 and 23497902.

It is not an unprimeable number, because it can be changed into a prime (23497933) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2683 + ... + 7361.

It is an arithmetic number, because the mean of its divisors is an integer number (1359072).

Almost surely, 2^23497938 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23497938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27181440).

23497938 is an abundant number, since it is smaller than the sum of its proper divisors (30864942).

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

23497938 is a wasteful number, since it uses less digits than its factorization.

23497938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4724 (or 4715 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 23497938 is about 4847.4671736898. The cubic root of 23497938 is about 286.4243379050.

The spelling of 23497938 in words is "twenty-three million, four hundred ninety-seven thousand, nine hundred thirty-eight".