23748731 has 2 divisors, whose sum is σ = 23748732. Its totient is φ = 23748730.

The previous prime is 23748721. The next prime is 23748733. The reversal of 23748731 is 13784732.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23748731 - 2⁶ = 23748667 is a prime.

It is a super-2 number, since 2×23748731² = 1128004448220722, which contains 22 as substring.

Together with 23748733, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 23748691 and 23748700.

It is not a weakly prime, because it can be changed into another prime (23748733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11874365 + 11874366.

It is an arithmetic number, because the mean of its divisors is an integer number (11874366).

Almost surely, 2^23748731 is an apocalyptic number.

23748731 is a deficient number, since it is larger than the sum of its proper divisors (1).

23748731 is an equidigital number, since it uses as much as digits as its factorization.

23748731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 35.

The square root of 23748731 is about 4873.2669740124. The cubic root of 23748731 is about 287.4397343119.

The spelling of 23748731 in words is "twenty-three million, seven hundred forty-eight thousand, seven hundred thirty-one".