23981334 has 32 divisors (see below), whose sum is σ = 52635744. Its totient is φ = 7238400.

The previous prime is 23981329. The next prime is 23981359. The reversal of 23981334 is 43318932.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23981295 and 23981304.

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, 1234 + ... + 7034.

It is an arithmetic number, because the mean of its divisors is an integer number (1644867).

Almost surely, 2^23981334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23981334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26317872).

23981334 is an abundant number, since it is smaller than the sum of its proper divisors (28654410).

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

23981334 is a wasteful number, since it uses less digits than its factorization.

23981334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5872.

The product of its digits is 15552, while the sum is 33.

The square root of 23981334 is about 4897.0740243537. The cubic root of 23981334 is about 288.3751140260.

The spelling of 23981334 in words is "twenty-three million, nine hundred eighty-one thousand, three hundred thirty-four".