90202814423 has 8 divisors (see below), whose sum is σ = 90475729920. Its totient is φ = 89930262520.

The previous prime is 90202814413. The next prime is 90202814447. The reversal of 90202814423 is 32441820209.

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 90202814423 - 2⁴ = 90202814407 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 (90202814413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410186 + ... + 590472.

It is an arithmetic number, because the mean of its divisors is an integer number (11309466240).

Almost surely, 2^90202814423 is an apocalyptic number.

90202814423 is a deficient number, since it is larger than the sum of its proper divisors (272915497).

90202814423 is a wasteful number, since it uses less digits than its factorization.

90202814423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181797.

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 90202814423 in words is "ninety billion, two hundred two million, eight hundred fourteen thousand, four hundred twenty-three".