126325772423 has 4 divisors (see below), whose sum is σ = 129263581128. Its totient is φ = 123387963720.

The previous prime is 126325772411. The next prime is 126325772431. The reversal of 126325772423 is 324277523621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324277523621 = 11069 ⋅29296009.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126325772423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126325772123) 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, 1468904288 + ... + 1468904373.

It is an arithmetic number, because the mean of its divisors is an integer number (32315895282).

Almost surely, 2^126325772423 is an apocalyptic number.

126325772423 is a deficient number, since it is larger than the sum of its proper divisors (2937808705).

126325772423 is an equidigital number, since it uses as much as digits as its factorization.

126325772423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2937808704.

The product of its digits is 846720, while the sum is 44.

The spelling of 126325772423 in words is "one hundred twenty-six billion, three hundred twenty-five million, seven hundred seventy-two thousand, four hundred twenty-three".