23011983 has 24 divisors (see below), whose sum is σ = 36516480. Its totient is φ = 13899600.

The previous prime is 23011979. The next prime is 23011987. The reversal of 23011983 is 38911032.

It is an interprime number because it is at equal distance from previous prime (23011979) and next prime (23011987).

It is not a de Polignac number, because 23011983 - 2² = 23011979 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23011987) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1008 + ... + 6858.

It is an arithmetic number, because the mean of its divisors is an integer number (1521520).

Almost surely, 2^23011983 is an apocalyptic number.

23011983 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

23011983 is a deficient number, since it is larger than the sum of its proper divisors (13504497).

23011983 is a wasteful number, since it uses less digits than its factorization.

23011983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5899 (or 5896 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 23011983 is about 4797.0806747438. The cubic root of 23011983 is about 284.4360779004.

The spelling of 23011983 in words is "twenty-three million, eleven thousand, nine hundred eighty-three".