238713251443 has 2 divisors, whose sum is σ = 238713251444. Its totient is φ = 238713251442.

The previous prime is 238713251431. The next prime is 238713251459. The reversal of 238713251443 is 344152317832.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-238713251443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 238713251443.

It is not a weakly prime, because it can be changed into another prime (238713251423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119356625721 + 119356625722.

It is an arithmetic number, because the mean of its divisors is an integer number (119356625722).

Almost surely, 2^238713251443 is an apocalyptic number.

238713251443 is a deficient number, since it is larger than the sum of its proper divisors (1).

238713251443 is an equidigital number, since it uses as much as digits as its factorization.

238713251443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 43.

The spelling of 238713251443 in words is "two hundred thirty-eight billion, seven hundred thirteen million, two hundred fifty-one thousand, four hundred forty-three".