90214523 has 8 divisors (see below), whose sum is σ = 103496448. Its totient is φ = 77031144.

The previous prime is 90214519. The next prime is 90214541. The reversal of 90214523 is 32541209.

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 90214523 - 2² = 90214519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90214492 and 90214501.

It is not an unprimeable number, because it can be changed into a prime (90214823) 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, 22661 + ... + 26342.

It is an arithmetic number, because the mean of its divisors is an integer number (12937056).

Almost surely, 2^90214523 is an apocalyptic number.

90214523 is a deficient number, since it is larger than the sum of its proper divisors (13281925).

90214523 is a wasteful number, since it uses less digits than its factorization.

90214523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49273.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 90214523 is about 9498.1326059389. The cubic root of 90214523 is about 448.4962530142.

The spelling of 90214523 in words is "ninety million, two hundred fourteen thousand, five hundred twenty-three".