9090623 has 2 divisors, whose sum is σ = 9090624. Its totient is φ = 9090622.

The previous prime is 9090611. The next prime is 9090629. The reversal of 9090623 is 3260909.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9090623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9090629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4545311 + 4545312.

It is an arithmetic number, because the mean of its divisors is an integer number (4545312).

Almost surely, 2^9090623 is an apocalyptic number.

9090623 is a deficient number, since it is larger than the sum of its proper divisors (1).

9090623 is an equidigital number, since it uses as much as digits as its factorization.

9090623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 9090623 is about 3015.0660025943. The cubic root of 9090623 is about 208.7042128892.

The spelling of 9090623 in words is "nine million, ninety thousand, six hundred twenty-three".