78020241323 has 2 divisors, whose sum is σ = 78020241324. Its totient is φ = 78020241322.

The previous prime is 78020241259. The next prime is 78020241389. The reversal of 78020241323 is 32314202087.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 78020241323 - 2⁶ = 78020241259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 78020241323.

It is not a weakly prime, because it can be changed into another prime (78020240323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39010120661 + 39010120662.

It is an arithmetic number, because the mean of its divisors is an integer number (39010120662).

Almost surely, 2^78020241323 is an apocalyptic number.

78020241323 is a deficient number, since it is larger than the sum of its proper divisors (1).

78020241323 is an equidigital number, since it uses as much as digits as its factorization.

78020241323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 32.

The spelling of 78020241323 in words is "seventy-eight billion, twenty million, two hundred forty-one thousand, three hundred twenty-three".