23923019 has 2 divisors, whose sum is σ = 23923020. Its totient is φ = 23923018.

The previous prime is 23923001. The next prime is 23923037. The reversal of 23923019 is 91032932.

It is a balanced prime because it is at equal distance from previous prime (23923001) and next prime (23923037).

It is a cyclic number.

It is not a de Polignac number, because 23923019 - 2⁸ = 23922763 is a prime.

It is a super-2 number, since 2×23923019² = 1144621676148722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is equal to p_1502597 and since 23923019 and 1502597 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 23922982 and 23923000.

It is not a weakly prime, because it can be changed into another prime (23923069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11961509 + 11961510.

It is an arithmetic number, because the mean of its divisors is an integer number (11961510).

Almost surely, 2^23923019 is an apocalyptic number.

23923019 is a deficient number, since it is larger than the sum of its proper divisors (1).

23923019 is an equidigital number, since it uses as much as digits as its factorization.

23923019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 23923019 is about 4891.1163347440. The cubic root of 23923019 is about 288.1411786926.

The spelling of 23923019 in words is "twenty-three million, nine hundred twenty-three thousand, nineteen".