20232319 has 2 divisors, whose sum is σ = 20232320. Its totient is φ = 20232318.

The previous prime is 20232313. The next prime is 20232347. The reversal of 20232319 is 91323202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20232319 - 2⁵ = 20232287 is a prime.

It is a super-2 number, since 2×20232319² = 818693464235522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20232319.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20232313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10116159 + 10116160.

It is an arithmetic number, because the mean of its divisors is an integer number (10116160).

Almost surely, 2^20232319 is an apocalyptic number.

20232319 is a deficient number, since it is larger than the sum of its proper divisors (1).

20232319 is an equidigital number, since it uses as much as digits as its factorization.

20232319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 20232319 is about 4498.0350154262. The cubic root of 20232319 is about 272.4887361727.

The spelling of 20232319 in words is "twenty million, two hundred thirty-two thousand, three hundred nineteen".