90190019023 has 8 divisors (see below), whose sum is σ = 97130854800. Its totient is φ = 83249632128.

The previous prime is 90190019011. The next prime is 90190019047. The reversal of 90190019023 is 32091009109.

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

It is not a de Polignac number, because 90190019023 - 2⁵ = 90190018991 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90190019023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90190019093) 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, 387543 + ... + 574951.

It is an arithmetic number, because the mean of its divisors is an integer number (12141356850).

Almost surely, 2^90190019023 is an apocalyptic number.

90190019023 is a deficient number, since it is larger than the sum of its proper divisors (6940835777).

90190019023 is a wasteful number, since it uses less digits than its factorization.

90190019023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224441.

The product of its (nonzero) digits is 4374, while the sum is 34.

The spelling of 90190019023 in words is "ninety billion, one hundred ninety million, nineteen thousand, twenty-three".