542637505423 has 8 divisors (see below), whose sum is σ = 584387731088. Its totient is φ = 500888548224.

The previous prime is 542637505409. The next prime is 542637505427. The reversal of 542637505423 is 324505736245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 542637505423 - 2⁹ = 542637504911 is a prime.

It is a super-3 number, since 3×542637505423³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542637505427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 689815 + ... + 1249447.

It is an arithmetic number, because the mean of its divisors is an integer number (73048466386).

Almost surely, 2^542637505423 is an apocalyptic number.

542637505423 is a deficient number, since it is larger than the sum of its proper divisors (41750225665).

542637505423 is a wasteful number, since it uses less digits than its factorization.

542637505423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634233.

The product of its (nonzero) digits is 3024000, while the sum is 46.

The spelling of 542637505423 in words is "five hundred forty-two billion, six hundred thirty-seven million, five hundred five thousand, four hundred twenty-three".