423211123393 has 2 divisors, whose sum is σ = 423211123394. Its totient is φ = 423211123392.

The previous prime is 423211123273. The next prime is 423211123429. The reversal of 423211123393 is 393321112324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 389254953409 + 33956169984 = 623903^2 + 184272^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423211123393 is a prime.

It is not a weakly prime, because it can be changed into another prime (423211123693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211605561696 + 211605561697.

It is an arithmetic number, because the mean of its divisors is an integer number (211605561697).

Almost surely, 2^423211123393 is an apocalyptic number.

It is an amenable number.

423211123393 is a deficient number, since it is larger than the sum of its proper divisors (1).

423211123393 is an equidigital number, since it uses as much as digits as its factorization.

423211123393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 34.

The spelling of 423211123393 in words is "four hundred twenty-three billion, two hundred eleven million, one hundred twenty-three thousand, three hundred ninety-three".