542847723 has 64 divisors (see below), whose sum is σ = 880657920. Its totient is φ = 293529600.

The previous prime is 542847719. The next prime is 542847743. The reversal of 542847723 is 327748245.

It is a happy number.

542847723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 542847723 - 2² = 542847719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (542847743) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 992136 + ... + 992682.

It is an arithmetic number, because the mean of its divisors is an integer number (13760280).

Almost surely, 2^542847723 is an apocalyptic number.

542847723 is a deficient number, since it is larger than the sum of its proper divisors (337810197).

542847723 is a wasteful number, since it uses less digits than its factorization.

542847723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668.

The product of its digits is 376320, while the sum is 42.

The square root of 542847723 is about 23299.0927505772. The cubic root of 542847723 is about 815.7542407375.

The spelling of 542847723 in words is "five hundred forty-two million, eight hundred forty-seven thousand, seven hundred twenty-three".