90231032304233 has 4 divisors (see below), whose sum is σ = 90247357808640. Its totient is φ = 90214706799828.

The previous prime is 90231032304221. The next prime is 90231032304253. The reversal of 90231032304233 is 33240323013209.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 90231032304233 - 2⁸ = 90231032303977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90231032304193 and 90231032304202.

It is not an unprimeable number, because it can be changed into a prime (90231032304253) 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 3 ways as a sum of consecutive naturals, for example, 8162743913 + ... + 8162754966.

It is an arithmetic number, because the mean of its divisors is an integer number (22561839452160).

Almost surely, 2^{90231032304233} is an apocalyptic number.

It is an amenable number.

90231032304233 is a deficient number, since it is larger than the sum of its proper divisors (16325504407).

90231032304233 is a wasteful number, since it uses less digits than its factorization.

90231032304233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16325504406.

The product of its (nonzero) digits is 69984, while the sum is 35.

The spelling of 90231032304233 in words is "ninety trillion, two hundred thirty-one billion, thirty-two million, three hundred four thousand, two hundred thirty-three".