542265723 has 12 divisors (see below), whose sum is σ = 789253608. Its totient is φ = 358750080.

The previous prime is 542265721. The next prime is 542265727. The reversal of 542265723 is 327562245.

It is not a de Polignac number, because 542265723 - 2¹ = 542265721 is a prime.

It is a super-2 number, since 2×542265723² = 588104228681425458, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (542265721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 228790 + ... + 231147.

It is an arithmetic number, because the mean of its divisors is an integer number (65771134).

Almost surely, 2^542265723 is an apocalyptic number.

542265723 is a deficient number, since it is larger than the sum of its proper divisors (246987885).

542265723 is a wasteful number, since it uses less digits than its factorization.

542265723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460074 (or 460071 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 542265723 is about 23286.5996444307. The cubic root of 542265723 is about 815.4626066263.

The spelling of 542265723 in words is "five hundred forty-two million, two hundred sixty-five thousand, seven hundred twenty-three".