239970720103 has 4 divisors (see below), whose sum is σ = 245551434568. Its totient is φ = 234390005640.

The previous prime is 239970720071. The next prime is 239970720107. The reversal of 239970720103 is 301027079932.

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 239970720103 - 2⁵ = 239970720071 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 5580714421 = 239970720103 / (2 + 3 + 9 + 9 + 7 + 0 + 7 + 2 + 0 + 1 + 0 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 239970720103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239970720107) 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, 2790357168 + ... + 2790357253.

It is an arithmetic number, because the mean of its divisors is an integer number (61387858642).

Almost surely, 2^239970720103 is an apocalyptic number.

239970720103 is a deficient number, since it is larger than the sum of its proper divisors (5580714465).

239970720103 is an equidigital number, since it uses as much as digits as its factorization.

239970720103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5580714464.

The product of its (nonzero) digits is 142884, while the sum is 43.

The spelling of 239970720103 in words is "two hundred thirty-nine billion, nine hundred seventy million, seven hundred twenty thousand, one hundred three".