542251443323 has 4 divisors (see below), whose sum is σ = 542257056648. Its totient is φ = 542245830000.

The previous prime is 542251443313. The next prime is 542251443337. The reversal of 542251443323 is 323344152245.

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

It is a cyclic number.

It is not a de Polignac number, because 542251443323 - 2⁶ = 542251443259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542251443313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2659178 + ... + 2855823.

It is an arithmetic number, because the mean of its divisors is an integer number (135564264162).

Almost surely, 2^542251443323 is an apocalyptic number.

542251443323 is a deficient number, since it is larger than the sum of its proper divisors (5613325).

542251443323 is an equidigital number, since it uses as much as digits as its factorization.

542251443323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5613324.

The product of its digits is 345600, while the sum is 38.

Adding to 542251443323 its reverse (323344152245), we get a palindrome (865595595568).

The spelling of 542251443323 in words is "five hundred forty-two billion, two hundred fifty-one million, four hundred forty-three thousand, three hundred twenty-three".