423373462364077 has 2 divisors, whose sum is σ = 423373462364078. Its totient is φ = 423373462364076.

The previous prime is 423373462364023. The next prime is 423373462364081. The reversal of 423373462364077 is 770463264373324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 291601865933316 + 131771596430761 = 17076354^2 + 11479181^2 .

It is a cyclic number.

It is not a de Polignac number, because 423373462364077 - 2¹⁹ = 423373461839789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423373462364477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211686731182038 + 211686731182039.

It is an arithmetic number, because the mean of its divisors is an integer number (211686731182039).

Almost surely, 2^{423373462364077} is an apocalyptic number.

It is an amenable number.

423373462364077 is a deficient number, since it is larger than the sum of its proper divisors (1).

423373462364077 is an equidigital number, since it uses as much as digits as its factorization.

423373462364077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256048128, while the sum is 61.

The spelling of 423373462364077 in words is "four hundred twenty-three trillion, three hundred seventy-three billion, four hundred sixty-two million, three hundred sixty-four thousand, seventy-seven".