23239494 has 32 divisors (see below), whose sum is σ = 52166880. Its totient is φ = 7668000.

The previous prime is 23239487. The next prime is 23239501. The reversal of 23239494 is 49493232.

It is an interprime number because it is at equal distance from previous prime (23239487) and next prime (23239501).

It is a Curzon number.

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, 3324 + ... + 7584.

It is an arithmetic number, because the mean of its divisors is an integer number (1630215).

Almost surely, 2^23239494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23239494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26083440).

23239494 is an abundant number, since it is smaller than the sum of its proper divisors (28927386).

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

23239494 is a wasteful number, since it uses less digits than its factorization.

23239494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4373 (or 4367 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 23239494 is about 4820.7358359487. The cubic root of 23239494 is about 285.3703771865.

The spelling of 23239494 in words is "twenty-three million, two hundred thirty-nine thousand, four hundred ninety-four".