23723863 has 2 divisors, whose sum is σ = 23723864. Its totient is φ = 23723862.

The previous prime is 23723809. The next prime is 23723867. The reversal of 23723863 is 36832732.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23723863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23723867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11861931 + 11861932.

It is an arithmetic number, because the mean of its divisors is an integer number (11861932).

Almost surely, 2^23723863 is an apocalyptic number.

23723863 is a deficient number, since it is larger than the sum of its proper divisors (1).

23723863 is an equidigital number, since it uses as much as digits as its factorization.

23723863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 34.

The square root of 23723863 is about 4870.7148346008. The cubic root of 23723863 is about 287.3393703845.

The spelling of 23723863 in words is "twenty-three million, seven hundred twenty-three thousand, eight hundred sixty-three".