542626323 has 4 divisors (see below), whose sum is σ = 723501768. Its totient is φ = 361750880.

The previous prime is 542626321. The next prime is 542626333. The reversal of 542626323 is 323626245.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 542626323 - 2¹ = 542626321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (542626321) 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 3 ways as a sum of consecutive naturals, for example, 90437718 + ... + 90437723.

It is an arithmetic number, because the mean of its divisors is an integer number (180875442).

Almost surely, 2^542626323 is an apocalyptic number.

542626323 is a deficient number, since it is larger than the sum of its proper divisors (180875445).

542626323 is a wasteful number, since it uses less digits than its factorization.

542626323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180875444.

The product of its digits is 51840, while the sum is 33.

The square root of 542626323 is about 23294.3410080646. The cubic root of 542626323 is about 815.6433240903.

The spelling of 542626323 in words is "five hundred forty-two million, six hundred twenty-six thousand, three hundred twenty-three".