79340623 has 2 divisors, whose sum is σ = 79340624. Its totient is φ = 79340622.

The previous prime is 79340621. The next prime is 79340641. The reversal of 79340623 is 32604397.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79340623 - 2¹ = 79340621 is a prime.

Together with 79340621, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79340621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39670311 + 39670312.

It is an arithmetic number, because the mean of its divisors is an integer number (39670312).

Almost surely, 2^79340623 is an apocalyptic number.

79340623 is a deficient number, since it is larger than the sum of its proper divisors (1).

79340623 is an equidigital number, since it uses as much as digits as its factorization.

79340623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 79340623 is about 8907.3353479029. The cubic root of 79340623 is about 429.6998500287.

The spelling of 79340623 in words is "seventy-nine million, three hundred forty thousand, six hundred twenty-three".