542044031323 has 16 divisors (see below), whose sum is σ = 592575333120. Its totient is φ = 493591910400.

The previous prime is 542044031317. The next prime is 542044031327. The reversal of 542044031323 is 323130440245.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 542044031323 - 2²¹ = 542041934171 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542044031327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2290893 + ... + 2516401.

It is an arithmetic number, because the mean of its divisors is an integer number (37035958320).

Almost surely, 2^542044031323 is an apocalyptic number.

542044031323 is a deficient number, since it is larger than the sum of its proper divisors (50531301797).

542044031323 is a wasteful number, since it uses less digits than its factorization.

542044031323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230118.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 542044031323 its reverse (323130440245), we get a palindrome (865174471568).

The spelling of 542044031323 in words is "five hundred forty-two billion, forty-four million, thirty-one thousand, three hundred twenty-three".