542540323 has 16 divisors (see below), whose sum is σ = 612964800. Its totient is φ = 476703360.

The previous prime is 542540311. The next prime is 542540359. The reversal of 542540323 is 323045245.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542540323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 542540291 and 542540300.

It is not an unprimeable number, because it can be changed into a prime (542540423) 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, 16633 + ... + 36901.

It is an arithmetic number, because the mean of its divisors is an integer number (38310300).

Almost surely, 2^542540323 is an apocalyptic number.

542540323 is a deficient number, since it is larger than the sum of its proper divisors (70424477).

542540323 is a wasteful number, since it uses less digits than its factorization.

542540323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20382.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 542540323 is about 23292.4949930230. The cubic root of 542540323 is about 815.6002318007.

Adding to 542540323 its reverse (323045245), we get a palindrome (865585568).

The spelling of 542540323 in words is "five hundred forty-two million, five hundred forty thousand, three hundred twenty-three".