23432144399 has 2 divisors, whose sum is σ = 23432144400. Its totient is φ = 23432144398.

The previous prime is 23432144371. The next prime is 23432144443. The reversal of 23432144399 is 99344123432.

It is an a-pointer prime, because the next prime (23432144443) can be obtained adding 23432144399 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23432144399 is a prime.

It is a super-2 number, since 2×23432144399² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23432144899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11716072199 + 11716072200.

It is an arithmetic number, because the mean of its divisors is an integer number (11716072200).

Almost surely, 2^23432144399 is an apocalyptic number.

23432144399 is a deficient number, since it is larger than the sum of its proper divisors (1).

23432144399 is an equidigital number, since it uses as much as digits as its factorization.

23432144399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 44.

The spelling of 23432144399 in words is "twenty-three billion, four hundred thirty-two million, one hundred forty-four thousand, three hundred ninety-nine".