542213310523 has 4 divisors (see below), whose sum is σ = 574108211160. Its totient is φ = 510318409888.

The previous prime is 542213310511. The next prime is 542213310547. The reversal of 542213310523 is 325013312245.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542213310523 is a prime.

It is a super-2 number, since 2×542213310523² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542213310623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15947450293 + ... + 15947450326.

It is an arithmetic number, because the mean of its divisors is an integer number (143527052790).

Almost surely, 2^542213310523 is an apocalyptic number.

542213310523 is a deficient number, since it is larger than the sum of its proper divisors (31894900637).

542213310523 is a wasteful number, since it uses less digits than its factorization.

542213310523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31894900636.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 542213310523 its reverse (325013312245), we get a palindrome (867226622768).

The spelling of 542213310523 in words is "five hundred forty-two billion, two hundred thirteen million, three hundred ten thousand, five hundred twenty-three".