239420393243 has 8 divisors (see below), whose sum is σ = 248325785040. Its totient is φ = 230643136800.

The previous prime is 239420393167. The next prime is 239420393263. The reversal of 239420393243 is 342393024932.

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 239420393243 - 2¹⁸ = 239420131099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 239420393194 and 239420393203.

It is not an unprimeable number, because it can be changed into a prime (239420393263) 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, 32030033 + ... + 32037506.

It is an arithmetic number, because the mean of its divisors is an integer number (31040723130).

Almost surely, 2^239420393243 is an apocalyptic number.

239420393243 is a deficient number, since it is larger than the sum of its proper divisors (8905391797).

239420393243 is a wasteful number, since it uses less digits than its factorization.

239420393243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64067677.

The product of its (nonzero) digits is 839808, while the sum is 44.

The spelling of 239420393243 in words is "two hundred thirty-nine billion, four hundred twenty million, three hundred ninety-three thousand, two hundred forty-three".