90335423 has 4 divisors (see below), whose sum is σ = 92538768. Its totient is φ = 88132080.

The previous prime is 90335419. The next prime is 90335437. The reversal of 90335423 is 32453309.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 90335423 - 2² = 90335419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90335723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1101611 + ... + 1101692.

It is an arithmetic number, because the mean of its divisors is an integer number (23134692).

Almost surely, 2^90335423 is an apocalyptic number.

90335423 is a deficient number, since it is larger than the sum of its proper divisors (2203345).

90335423 is a wasteful number, since it uses less digits than its factorization.

90335423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2203344.

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 90335423 is about 9504.4948840009. The cubic root of 90335423 is about 448.6965126878.

The spelling of 90335423 in words is "ninety million, three hundred thirty-five thousand, four hundred twenty-three".