423297996557453 has 2 divisors, whose sum is σ = 423297996557454. Its totient is φ = 423297996557452.

The previous prime is 423297996557399. The next prime is 423297996557459. The reversal of 423297996557453 is 354755699792324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 275796534337129 + 147501462220324 = 16607123^2 + 12145018^2 .

It is a cyclic number.

It is not a de Polignac number, because 423297996557453 - 2¹² = 423297996553357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423297996557459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211648998278726 + 211648998278727.

It is an arithmetic number, because the mean of its divisors is an integer number (211648998278727).

Almost surely, 2^{423297996557453} is an apocalyptic number.

It is an amenable number.

423297996557453 is a deficient number, since it is larger than the sum of its proper divisors (1).

423297996557453 is an equidigital number, since it uses as much as digits as its factorization.

423297996557453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15431472000, while the sum is 80.

The spelling of 423297996557453 in words is "four hundred twenty-three trillion, two hundred ninety-seven billion, nine hundred ninety-six million, five hundred fifty-seven thousand, four hundred fifty-three".