423341495550431 has 2 divisors, whose sum is σ = 423341495550432. Its totient is φ = 423341495550430.

The previous prime is 423341495550371. The next prime is 423341495550499. The reversal of 423341495550431 is 134055594143324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 423341495550431 - 2⁶ = 423341495550367 is a prime.

It is a super-2 number, since 2×423341495550431² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423341495550731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211670747775215 + 211670747775216.

It is an arithmetic number, because the mean of its divisors is an integer number (211670747775216).

Almost surely, 2^{423341495550431} is an apocalyptic number.

423341495550431 is a deficient number, since it is larger than the sum of its proper divisors (1).

423341495550431 is an equidigital number, since it uses as much as digits as its factorization.

423341495550431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552000, while the sum is 53.

The spelling of 423341495550431 in words is "four hundred twenty-three trillion, three hundred forty-one billion, four hundred ninety-five million, five hundred fifty thousand, four hundred thirty-one".