450123332257 has 2 divisors, whose sum is σ = 450123332258. Its totient is φ = 450123332256.

The previous prime is 450123332231. The next prime is 450123332359. The reversal of 450123332257 is 752233321054.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 416329495696 + 33793836561 = 645236^2 + 183831^2 .

It is a cyclic number.

It is not a de Polignac number, because 450123332257 - 2²⁷ = 449989114529 is a prime.

It is a super-2 number, since 2×450123332257² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (450123332227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225061666128 + 225061666129.

It is an arithmetic number, because the mean of its divisors is an integer number (225061666129).

Almost surely, 2^450123332257 is an apocalyptic number.

It is an amenable number.

450123332257 is a deficient number, since it is larger than the sum of its proper divisors (1).

450123332257 is an equidigital number, since it uses as much as digits as its factorization.

450123332257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 37.

The spelling of 450123332257 in words is "four hundred fifty billion, one hundred twenty-three million, three hundred thirty-two thousand, two hundred fifty-seven".