23743231 has 2 divisors, whose sum is σ = 23743232. Its totient is φ = 23743230.

The previous prime is 23743219. The next prime is 23743243. The reversal of 23743231 is 13234732.

It is a balanced prime because it is at equal distance from previous prime (23743219) and next prime (23743243).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23743231 is a prime.

It is a super-2 number, since 2×23743231² = 1127482036638722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23743196 and 23743205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23743201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11871615 + 11871616.

It is an arithmetic number, because the mean of its divisors is an integer number (11871616).

Almost surely, 2^23743231 is an apocalyptic number.

23743231 is a deficient number, since it is larger than the sum of its proper divisors (1).

23743231 is an equidigital number, since it uses as much as digits as its factorization.

23743231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 25.

The square root of 23743231 is about 4872.7026381670. The cubic root of 23743231 is about 287.4175430827.

Adding to 23743231 its reverse (13234732), we get a palindrome (36977963).

The spelling of 23743231 in words is "twenty-three million, seven hundred forty-three thousand, two hundred thirty-one".