1357977723 has 16 divisors (see below), whose sum is σ = 1870135296. Its totient is φ = 875603520.

The previous prime is 1357977703. The next prime is 1357977739. The reversal of 1357977723 is 3277797531.

It is not a de Polignac number, because 1357977723 - 2¹² = 1357973627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1357977703) 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, 217990 + ... + 224132.

It is an arithmetic number, because the mean of its divisors is an integer number (116883456).

Almost surely, 2^1357977723 is an apocalyptic number.

1357977723 is a deficient number, since it is larger than the sum of its proper divisors (512157573).

1357977723 is a wasteful number, since it uses less digits than its factorization.

1357977723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8554.

The product of its digits is 1944810, while the sum is 51.

The square root of 1357977723 is about 36850.7492868191. The cubic root of 1357977723 is about 1107.3822258229.

The spelling of 1357977723 in words is "one billion, three hundred fifty-seven million, nine hundred seventy-seven thousand, seven hundred twenty-three".