834402623 has 2 divisors, whose sum is σ = 834402624. Its totient is φ = 834402622.

The previous prime is 834402617. The next prime is 834402637. The reversal of 834402623 is 326204438.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 834402623 - 2⁶ = 834402559 is a prime.

It is equal to p_42822824 and since 834402623 and 42822824 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 834402623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (834402643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 417201311 + 417201312.

It is an arithmetic number, because the mean of its divisors is an integer number (417201312).

Almost surely, 2^834402623 is an apocalyptic number.

834402623 is a deficient number, since it is larger than the sum of its proper divisors (1).

834402623 is an equidigital number, since it uses as much as digits as its factorization.

834402623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 834402623 is about 28886.0281624179. The cubic root of 834402623 is about 941.4383528904.

The spelling of 834402623 in words is "eight hundred thirty-four million, four hundred two thousand, six hundred twenty-three".