23432819 has 2 divisors, whose sum is σ = 23432820. Its totient is φ = 23432818.

The previous prime is 23432789. The next prime is 23432821. The reversal of 23432819 is 91823432.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23432819 - 2²⁴ = 6655603 is a prime.

It is a super-2 number, since 2×23432819² = 1098194012573522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 23432821, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_1473737 and since 23432819 and 1473737 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (23432839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11716409 + 11716410.

It is an arithmetic number, because the mean of its divisors is an integer number (11716410).

Almost surely, 2^23432819 is an apocalyptic number.

23432819 is a deficient number, since it is larger than the sum of its proper divisors (1).

23432819 is an equidigital number, since it uses as much as digits as its factorization.

23432819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 32.

The square root of 23432819 is about 4840.7457070166. The cubic root of 23432819 is about 286.1595072547.

The spelling of 23432819 in words is "twenty-three million, four hundred thirty-two thousand, eight hundred nineteen".