423425231393 has 2 divisors, whose sum is σ = 423425231394. Its totient is φ = 423425231392.

The previous prime is 423425231389. The next prime is 423425231399. The reversal of 423425231393 is 393132524324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 414881556769 + 8543674624 = 644113^2 + 92432^2 .

It is a cyclic number.

It is not a de Polignac number, because 423425231393 - 2² = 423425231389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 423425231393.

It is not a weakly prime, because it can be changed into another prime (423425231399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211712615696 + 211712615697.

It is an arithmetic number, because the mean of its divisors is an integer number (211712615697).

Almost surely, 2^423425231393 is an apocalyptic number.

It is an amenable number.

423425231393 is a deficient number, since it is larger than the sum of its proper divisors (1).

423425231393 is an equidigital number, since it uses as much as digits as its factorization.

423425231393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 41.

The spelling of 423425231393 in words is "four hundred twenty-three billion, four hundred twenty-five million, two hundred thirty-one thousand, three hundred ninety-three".