126374144623 has 4 divisors (see below), whose sum is σ = 126598610808. Its totient is φ = 126149678440.

The previous prime is 126374144609. The next prime is 126374144627. The reversal of 126374144623 is 326441473621.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126374144623 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 126374144623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126374144627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112232248 + ... + 112233373.

It is an arithmetic number, because the mean of its divisors is an integer number (31649652702).

Almost surely, 2^126374144623 is an apocalyptic number.

126374144623 is a deficient number, since it is larger than the sum of its proper divisors (224466185).

126374144623 is an equidigital number, since it uses as much as digits as its factorization.

126374144623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224466184.

The product of its digits is 580608, while the sum is 43.

The spelling of 126374144623 in words is "one hundred twenty-six billion, three hundred seventy-four million, one hundred forty-four thousand, six hundred twenty-three".