23981463 has 24 divisors (see below), whose sum is σ = 39096720. Its totient is φ = 14031360.

The previous prime is 23981453. The next prime is 23981467. The reversal of 23981463 is 36418932.

It is not a de Polignac number, because 23981463 - 2⁸ = 23981207 is a prime.

It is a super-2 number, since 2×23981463² = 1150221135240738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23981467) 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 23 ways as a sum of consecutive naturals, for example, 1306 + ... + 7047.

It is an arithmetic number, because the mean of its divisors is an integer number (1629030).

Almost surely, 2^23981463 is an apocalyptic number.

23981463 is a deficient number, since it is larger than the sum of its proper divisors (15115257).

23981463 is a wasteful number, since it uses less digits than its factorization.

23981463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8399 (or 8396 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 23981463 is about 4897.0871954663. The cubic root of 23981463 is about 288.3756310993.

The spelling of 23981463 in words is "twenty-three million, nine hundred eighty-one thousand, four hundred sixty-three".