78329292323 has 2 divisors, whose sum is σ = 78329292324. Its totient is φ = 78329292322.

The previous prime is 78329292311. The next prime is 78329292331. The reversal of 78329292323 is 32329292387.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78329292323 is a prime.

It is a super-2 number, since 2×78329292323² (a number of 23 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (78329892323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39164646161 + 39164646162.

It is an arithmetic number, because the mean of its divisors is an integer number (39164646162).

Almost surely, 2^78329292323 is an apocalyptic number.

78329292323 is a deficient number, since it is larger than the sum of its proper divisors (1).

78329292323 is an equidigital number, since it uses as much as digits as its factorization.

78329292323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1959552, while the sum is 50.

The spelling of 78329292323 in words is "seventy-eight billion, three hundred twenty-nine million, two hundred ninety-two thousand, three hundred twenty-three".