542437623 has 48 divisors (see below), whose sum is σ = 968175936. Its totient is φ = 284981760.

The previous prime is 542437607. The next prime is 542437627. The reversal of 542437623 is 326734245.

542437623 is a `hidden beast` number, since 5 + 4 + 24 + 3 + 7 + 623 = 666.

542437623 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 542437623 - 2⁴ = 542437607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542437627) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 228961 + ... + 231317.

It is an arithmetic number, because the mean of its divisors is an integer number (20170332).

Almost surely, 2^542437623 is an apocalyptic number.

542437623 is a deficient number, since it is larger than the sum of its proper divisors (425738313).

542437623 is a wasteful number, since it uses less digits than its factorization.

542437623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664 (or 2661 counting only the distinct ones).

The product of its digits is 120960, while the sum is 36.

The square root of 542437623 is about 23290.2903159235. The cubic root of 542437623 is about 815.5487656233.

The spelling of 542437623 in words is "five hundred forty-two million, four hundred thirty-seven thousand, six hundred twenty-three".