423743099839 has 2 divisors, whose sum is σ = 423743099840. Its totient is φ = 423743099838.

The previous prime is 423743099827. The next prime is 423743099869. The reversal of 423743099839 is 938990347324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423743099839 - 2²⁷ = 423608882111 is a prime.

It is a super-2 number, since 2×423743099839² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423743099869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211871549919 + 211871549920.

It is an arithmetic number, because the mean of its divisors is an integer number (211871549920).

Almost surely, 2^423743099839 is an apocalyptic number.

423743099839 is a deficient number, since it is larger than the sum of its proper divisors (1).

423743099839 is an equidigital number, since it uses as much as digits as its factorization.

423743099839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35271936, while the sum is 61.

The spelling of 423743099839 in words is "four hundred twenty-three billion, seven hundred forty-three million, ninety-nine thousand, eight hundred thirty-nine".