90068023 has 8 divisors (see below), whose sum is σ = 99512928. Its totient is φ = 81083904.

The previous prime is 90068009. The next prime is 90068029. The reversal of 90068023 is 32086009.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90068023 - 2²⁵ = 56513591 is a prime.

It is a super-2 number, since 2×90068023² = 16224497534257058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90067982 and 90068000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90068029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114786 + ... + 115567.

It is an arithmetic number, because the mean of its divisors is an integer number (12439116).

Almost surely, 2^90068023 is an apocalyptic number.

90068023 is a deficient number, since it is larger than the sum of its proper divisors (9444905).

90068023 is a wasteful number, since it uses less digits than its factorization.

90068023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230393.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 90068023 is about 9490.4174302293. The cubic root of 90068023 is about 448.2533494065.

The spelling of 90068023 in words is "ninety million, sixty-eight thousand, twenty-three".