542023320243 has 8 divisors (see below), whose sum is σ = 738074308608. Its totient is φ = 353660606024.

The previous prime is 542023320229. The next prime is 542023320259. The reversal of 542023320243 is 342023320245.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 542023320243 - 2⁹ = 542023319731 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 542023320243.

It is not an unprimeable number, because it can be changed into a prime (542023328243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1922068371 + ... + 1922068652.

It is an arithmetic number, because the mean of its divisors is an integer number (92259288576).

Almost surely, 2^542023320243 is an apocalyptic number.

542023320243 is a deficient number, since it is larger than the sum of its proper divisors (196050988365).

542023320243 is a wasteful number, since it uses less digits than its factorization.

542023320243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3844137073.

The product of its (nonzero) digits is 34560, while the sum is 30.

Adding to 542023320243 its reverse (342023320245), we get a palindrome (884046640488).

The spelling of 542023320243 in words is "five hundred forty-two billion, twenty-three million, three hundred twenty thousand, two hundred forty-three".