785343623 has 2 divisors, whose sum is σ = 785343624. Its totient is φ = 785343622.

The previous prime is 785343607. The next prime is 785343653. The reversal of 785343623 is 326343587.

It is a weak prime.

It is an emirp because it is prime and its reverse (326343587) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 785343623 - 2⁴ = 785343607 is a prime.

It is a super-2 number, since 2×785343623² = 1233529212373532258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (785343653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 392671811 + 392671812.

It is an arithmetic number, because the mean of its divisors is an integer number (392671812).

Almost surely, 2^785343623 is an apocalyptic number.

785343623 is a deficient number, since it is larger than the sum of its proper divisors (1).

785343623 is an equidigital number, since it uses as much as digits as its factorization.

785343623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 41.

The square root of 785343623 is about 28023.9829967119. The cubic root of 785343623 is about 922.6137169813.

The spelling of 785343623 in words is "seven hundred eighty-five million, three hundred forty-three thousand, six hundred twenty-three".