423342032421377 has 2 divisors, whose sum is σ = 423342032421378. Its totient is φ = 423342032421376.

The previous prime is 423342032421331. The next prime is 423342032421491. The reversal of 423342032421377 is 773124230243324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 343329436780801 + 80012595640576 = 18529151^2 + 8944976^2 .

It is a cyclic number.

It is not a de Polignac number, because 423342032421377 - 2¹⁶ = 423342032355841 is a prime.

It is a super-2 number, since 2×423342032421377² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (423342032421317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211671016210688 + 211671016210689.

It is an arithmetic number, because the mean of its divisors is an integer number (211671016210689).

Almost surely, 2^{423342032421377} is an apocalyptic number.

It is an amenable number.

423342032421377 is a deficient number, since it is larger than the sum of its proper divisors (1).

423342032421377 is an equidigital number, since it uses as much as digits as its factorization.

423342032421377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4064256, while the sum is 47.

The spelling of 423342032421377 in words is "four hundred twenty-three trillion, three hundred forty-two billion, thirty-two million, four hundred twenty-one thousand, three hundred seventy-seven".