23981373 has 32 divisors (see below), whose sum is σ = 40521600. Its totient is φ = 13886208.

The previous prime is 23981369. The next prime is 23981381. The reversal of 23981373 is 37318932.

It is a happy number.

It is not a de Polignac number, because 23981373 - 2² = 23981369 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23981323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3958 + ... + 7976.

It is an arithmetic number, because the mean of its divisors is an integer number (1266300).

Almost surely, 2^23981373 is an apocalyptic number.

It is an amenable number.

23981373 is a deficient number, since it is larger than the sum of its proper divisors (16540227).

23981373 is a wasteful number, since it uses less digits than its factorization.

23981373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4058 (or 4052 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 23981373 is about 4897.0780063217. The cubic root of 23981373 is about 288.3752703507.

The spelling of 23981373 in words is "twenty-three million, nine hundred eighty-one thousand, three hundred seventy-three".