23137452 has 54 divisors (see below), whose sum is σ = 63348012. Its totient is φ = 7117344.

The previous prime is 23137451. The next prime is 23137463. The reversal of 23137452 is 25473132.

It is not an unprimeable number, because it can be changed into a prime (23137451) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4183 + ... + 7985.

Almost surely, 2^23137452 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 23137452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31674006).

23137452 is an abundant number, since it is smaller than the sum of its proper divisors (40210560).

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

23137452 is a wasteful number, since it uses less digits than its factorization.

23137452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3839 (or 3821 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 23137452 is about 4810.1405384874. The cubic root of 23137452 is about 284.9520879754.

The spelling of 23137452 in words is "twenty-three million, one hundred thirty-seven thousand, four hundred fifty-two".