423313404431 has 2 divisors, whose sum is σ = 423313404432. Its totient is φ = 423313404430.

The previous prime is 423313404419. The next prime is 423313404469. The reversal of 423313404431 is 134404313324.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423313404431 is a prime.

It is a super-2 number, since 2×423313404431² (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 (423313404401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211656702215 + 211656702216.

It is an arithmetic number, because the mean of its divisors is an integer number (211656702216).

Almost surely, 2^423313404431 is an apocalyptic number.

423313404431 is a deficient number, since it is larger than the sum of its proper divisors (1).

423313404431 is an equidigital number, since it uses as much as digits as its factorization.

423313404431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 423313404431 its reverse (134404313324), we get a palindrome (557717717755).

The spelling of 423313404431 in words is "four hundred twenty-three billion, three hundred thirteen million, four hundred four thousand, four hundred thirty-one".