6427957723 has 4 divisors (see below), whose sum is σ = 7012317528. Its totient is φ = 5843597920.

The previous prime is 6427957717. The next prime is 6427957741. The reversal of 6427957723 is 3277597246.

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-6427957723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6427957763) 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, 292179886 + ... + 292179907.

It is an arithmetic number, because the mean of its divisors is an integer number (1753079382).

Almost surely, 2^6427957723 is an apocalyptic number.

6427957723 is a deficient number, since it is larger than the sum of its proper divisors (584359805).

6427957723 is a wasteful number, since it uses less digits than its factorization.

6427957723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584359804.

The product of its digits is 4445280, while the sum is 52.

The square root of 6427957723 is about 80174.5453557424. The cubic root of 6427957723 is about 1859.3351116224.

The spelling of 6427957723 in words is "six billion, four hundred twenty-seven million, nine hundred fifty-seven thousand, seven hundred twenty-three".