23920902 has 48 divisors (see below), whose sum is σ = 54033408. Its totient is φ = 7639920.

The previous prime is 23920891. The next prime is 23920909. The reversal of 23920902 is 20902932.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23920909) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90823 + ... + 91085.

It is an arithmetic number, because the mean of its divisors is an integer number (1125696).

Almost surely, 2^23920902 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23920902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27016704).

23920902 is an abundant number, since it is smaller than the sum of its proper divisors (30112506).

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

23920902 is a wasteful number, since it uses less digits than its factorization.

23920902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465 (or 462 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 23920902 is about 4890.8999171932. The cubic root of 23920902 is about 288.1326790286.

The spelling of 23920902 in words is "twenty-three million, nine hundred twenty thousand, nine hundred two".