126377274723 has 16 divisors (see below), whose sum is σ = 192595603200. Its totient is φ = 72207819936.

The previous prime is 126377274689. The next prime is 126377274739. The reversal of 126377274723 is 327472773621.

It is not a de Polignac number, because 126377274723 - 2¹² = 126377270627 is a prime.

It is a super-2 number, since 2×126377274723² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126377274223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120673 + ... + 517026.

It is an arithmetic number, because the mean of its divisors is an integer number (12037225200).

Almost surely, 2^126377274723 is an apocalyptic number.

126377274723 is a deficient number, since it is larger than the sum of its proper divisors (66218328477).

126377274723 is an equidigital number, since it uses as much as digits as its factorization.

126377274723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647146.

The product of its digits is 4148928, while the sum is 51.

The spelling of 126377274723 in words is "one hundred twenty-six billion, three hundred seventy-seven million, two hundred seventy-four thousand, seven hundred twenty-three".