542445250142323 has 16 divisors (see below), whose sum is σ = 643502039778144. Its totient is φ = 451580378780160.

The previous prime is 542445250142311. The next prime is 542445250142353. The reversal of 542445250142323 is 323241052544245.

It is a cyclic number.

It is not a de Polignac number, because 542445250142323 - 2⁹ = 542445250141811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542445250142353) 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, 39199678740 + ... + 39199692577.

It is an arithmetic number, because the mean of its divisors is an integer number (40218877486134).

Almost surely, 2^{542445250142323} is an apocalyptic number.

542445250142323 is a deficient number, since it is larger than the sum of its proper divisors (101056789635821).

542445250142323 is a wasteful number, since it uses less digits than its factorization.

542445250142323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78399371382.

The product of its (nonzero) digits is 4608000, while the sum is 46.

The spelling of 542445250142323 in words is "five hundred forty-two trillion, four hundred forty-five billion, two hundred fifty million, one hundred forty-two thousand, three hundred twenty-three".