90232233953 has 2 divisors, whose sum is σ = 90232233954. Its totient is φ = 90232233952.

The previous prime is 90232233941. The next prime is 90232233977. The reversal of 90232233953 is 35933223209.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71285262049 + 18946971904 = 266993^2 + 137648^2 .

It is a cyclic number.

It is not a de Polignac number, because 90232233953 - 2¹⁶ = 90232168417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90232233953.

It is not a weakly prime, because it can be changed into another prime (90232233353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45116116976 + 45116116977.

It is an arithmetic number, because the mean of its divisors is an integer number (45116116977).

Almost surely, 2^90232233953 is an apocalyptic number.

It is an amenable number.

90232233953 is a deficient number, since it is larger than the sum of its proper divisors (1).

90232233953 is an equidigital number, since it uses as much as digits as its factorization.

90232233953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 262440, while the sum is 41.

The spelling of 90232233953 in words is "ninety billion, two hundred thirty-two million, two hundred thirty-three thousand, nine hundred fifty-three".