90510023 has 8 divisors (see below), whose sum is σ = 95923440. Its totient is φ = 85106560.

The previous prime is 90510011. The next prime is 90510041. The reversal of 90510023 is 32001509.

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 90510023 - 2⁶ = 90509959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90509977 and 90510004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90510223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25013 + ... + 28401.

It is an arithmetic number, because the mean of its divisors is an integer number (11990430).

Almost surely, 2^90510023 is an apocalyptic number.

90510023 is a deficient number, since it is larger than the sum of its proper divisors (5413417).

90510023 is a wasteful number, since it uses less digits than its factorization.

90510023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4977.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 90510023 is about 9513.6755778195. The cubic root of 90510023 is about 448.9854063441.

The spelling of 90510023 in words is "ninety million, five hundred ten thousand, twenty-three".