23981330 has 8 divisors (see below), whose sum is σ = 43166412. Its totient is φ = 9592528.

The previous prime is 23981329. The next prime is 23981359. The reversal of 23981330 is 3318932.

It can be written as a sum of positive squares in 2 ways, for example, as 23843689 + 137641 = 4883^2 + 371^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 23981293 and 23981302.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1199057 + ... + 1199076.

Almost surely, 2^23981330 is an apocalyptic number.

23981330 is a deficient number, since it is larger than the sum of its proper divisors (19185082).

23981330 is a wasteful number, since it uses less digits than its factorization.

23981330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2398140.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 23981330 is about 4897.0736159466. The cubic root of 23981330 is about 288.3750979927.

The spelling of 23981330 in words is "twenty-three million, nine hundred eighty-one thousand, three hundred thirty".