90623312010221 has 16 divisors (see below), whose sum is σ = 94695559326720. Its totient is φ = 86624909965440.

The previous prime is 90623312010197. The next prime is 90623312010227. The reversal of 90623312010221 is 12201021332609.

It is a cyclic number.

It is not a de Polignac number, because 90623312010221 - 2⁴² = 86225265499117 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 (90623312010227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14315726 + ... + 19651631.

It is an arithmetic number, because the mean of its divisors is an integer number (5918472457920).

Almost surely, 2^{90623312010221} is an apocalyptic number.

It is an amenable number.

90623312010221 is a deficient number, since it is larger than the sum of its proper divisors (4072247316499).

90623312010221 is a wasteful number, since it uses less digits than its factorization.

90623312010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33968444.

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 90623312010221 in words is "ninety trillion, six hundred twenty-three billion, three hundred twelve million, ten thousand, two hundred twenty-one".