90201253220123 has 2 divisors, whose sum is σ = 90201253220124. Its totient is φ = 90201253220122.

The previous prime is 90201253220093. The next prime is 90201253220147. The reversal of 90201253220123 is 32102235210209.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90201253220123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90201253220123.

It is not a weakly prime, because it can be changed into another prime (90201253220723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45100626610061 + 45100626610062.

It is an arithmetic number, because the mean of its divisors is an integer number (45100626610062).

Almost surely, 2^{90201253220123} is an apocalyptic number.

90201253220123 is a deficient number, since it is larger than the sum of its proper divisors (1).

90201253220123 is an equidigital number, since it uses as much as digits as its factorization.

90201253220123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 90201253220123 in words is "ninety trillion, two hundred one billion, two hundred fifty-three million, two hundred twenty thousand, one hundred twenty-three".