23881902 has 32 divisors (see below), whose sum is σ = 52997760. Its totient is φ = 7113120.

The previous prime is 23881901. The next prime is 23881903. The reversal of 23881902 is 20918832.

It is an interprime number because it is at equal distance from previous prime (23881901) and next prime (23881903).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23881901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 828 + ... + 6960.

It is an arithmetic number, because the mean of its divisors is an integer number (1656180).

Almost surely, 2^23881902 is an apocalyptic number.

23881902 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 23881902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26498880).

23881902 is an abundant number, since it is smaller than the sum of its proper divisors (29115858).

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

23881902 is a wasteful number, since it uses less digits than its factorization.

23881902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6208.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 23881902 is about 4886.9112944681. The cubic root of 23881902 is about 287.9760059100.

The spelling of 23881902 in words is "twenty-three million, eight hundred eighty-one thousand, nine hundred two".