126182994423 has 4 divisors (see below), whose sum is σ = 168243992568. Its totient is φ = 84121996280.

The previous prime is 126182994397. The next prime is 126182994433. The reversal of 126182994423 is 324499281621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 126182994423 - 2⁶ = 126182994359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126182994433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21030499068 + ... + 21030499073.

It is an arithmetic number, because the mean of its divisors is an integer number (42060998142).

Almost surely, 2^126182994423 is an apocalyptic number.

126182994423 is a deficient number, since it is larger than the sum of its proper divisors (42060998145).

126182994423 is an equidigital number, since it uses as much as digits as its factorization.

126182994423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42060998144.

The product of its digits is 1492992, while the sum is 51.

The spelling of 126182994423 in words is "one hundred twenty-six billion, one hundred eighty-two million, nine hundred ninety-four thousand, four hundred twenty-three".