690122335423 has 2 divisors, whose sum is σ = 690122335424. Its totient is φ = 690122335422.

The previous prime is 690122335373. The next prime is 690122335433. The reversal of 690122335423 is 324533221096.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 690122335423 - 2³⁷ = 552683381951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (690122335433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 345061167711 + 345061167712.

It is an arithmetic number, because the mean of its divisors is an integer number (345061167712).

Almost surely, 2^690122335423 is an apocalyptic number.

690122335423 is a deficient number, since it is larger than the sum of its proper divisors (1).

690122335423 is an equidigital number, since it uses as much as digits as its factorization.

690122335423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 40.

The spelling of 690122335423 in words is "six hundred ninety billion, one hundred twenty-two million, three hundred thirty-five thousand, four hundred twenty-three".