423231473369 has 2 divisors, whose sum is σ = 423231473370. Its totient is φ = 423231473368.

The previous prime is 423231473359. The next prime is 423231473411. The reversal of 423231473369 is 963374132324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 385005358144 + 38226115225 = 620488^2 + 195515^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423231473369 is a prime.

It is a super-2 number, since 2×423231473369² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (423231473339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211615736684 + 211615736685.

It is an arithmetic number, because the mean of its divisors is an integer number (211615736685).

Almost surely, 2^423231473369 is an apocalyptic number.

It is an amenable number.

423231473369 is a deficient number, since it is larger than the sum of its proper divisors (1).

423231473369 is an equidigital number, since it uses as much as digits as its factorization.

423231473369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1959552, while the sum is 47.

The spelling of 423231473369 in words is "four hundred twenty-three billion, two hundred thirty-one million, four hundred seventy-three thousand, three hundred sixty-nine".