423297996553357 has 2 divisors, whose sum is σ = 423297996553358. Its totient is φ = 423297996553356.

The previous prime is 423297996553351. The next prime is 423297996553361. The reversal of 423297996553357 is 753355699792324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 320500723621156 + 102797272932201 = 17902534^2 + 10138899^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423297996553357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423297996553351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211648998276678 + 211648998276679.

It is an arithmetic number, because the mean of its divisors is an integer number (211648998276679).

Almost surely, 2^{423297996553357} is an apocalyptic number.

It is an amenable number.

423297996553357 is a deficient number, since it is larger than the sum of its proper divisors (1).

423297996553357 is an equidigital number, since it uses as much as digits as its factorization.

423297996553357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11573604000, while the sum is 79.

The spelling of 423297996553357 in words is "four hundred twenty-three trillion, two hundred ninety-seven billion, nine hundred ninety-six million, five hundred fifty-three thousand, three hundred fifty-seven".