126813507323 has 2 divisors, whose sum is σ = 126813507324. Its totient is φ = 126813507322.

The previous prime is 126813507281. The next prime is 126813507383. The reversal of 126813507323 is 323705318621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126813507323 - 2⁶ = 126813507259 is a prime.

It is not a weakly prime, because it can be changed into another prime (126813507383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63406753661 + 63406753662.

It is an arithmetic number, because the mean of its divisors is an integer number (63406753662).

Almost surely, 2^126813507323 is an apocalyptic number.

126813507323 is a deficient number, since it is larger than the sum of its proper divisors (1).

126813507323 is an equidigital number, since it uses as much as digits as its factorization.

126813507323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 126813507323 in words is "one hundred twenty-six billion, eight hundred thirteen million, five hundred seven thousand, three hundred twenty-three".