696090623 has 2 divisors, whose sum is σ = 696090624. Its totient is φ = 696090622.

The previous prime is 696090617. The next prime is 696090641. The reversal of 696090623 is 326090696.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 696090623 - 2²² = 691896319 is a prime.

It is a Sophie Germain prime.

It is a zygodrome in base 4.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (696090643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348045311 + 348045312.

It is an arithmetic number, because the mean of its divisors is an integer number (348045312).

Almost surely, 2^696090623 is an apocalyptic number.

696090623 is a deficient number, since it is larger than the sum of its proper divisors (1).

696090623 is an equidigital number, since it uses as much as digits as its factorization.

696090623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104976, while the sum is 41.

The square root of 696090623 is about 26383.5293886167. The cubic root of 696090623 is about 886.2479857757.

The spelling of 696090623 in words is "six hundred ninety-six million, ninety thousand, six hundred twenty-three".