423307733129 has 2 divisors, whose sum is σ = 423307733130. Its totient is φ = 423307733128.

The previous prime is 423307733077. The next prime is 423307733159. The reversal of 423307733129 is 921337703324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 229287745600 + 194019987529 = 478840^2 + 440477^2 .

It is a cyclic number.

It is not a de Polignac number, because 423307733129 - 2⁸ = 423307732873 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 423307733129.

It is not a weakly prime, because it can be changed into another prime (423307733159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211653866564 + 211653866565.

It is an arithmetic number, because the mean of its divisors is an integer number (211653866565).

Almost surely, 2^423307733129 is an apocalyptic number.

It is an amenable number.

423307733129 is a deficient number, since it is larger than the sum of its proper divisors (1).

423307733129 is an equidigital number, since it uses as much as digits as its factorization.

423307733129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 571536, while the sum is 44.

The spelling of 423307733129 in words is "four hundred twenty-three billion, three hundred seven million, seven hundred thirty-three thousand, one hundred twenty-nine".