90412659823 has 2 divisors, whose sum is σ = 90412659824. Its totient is φ = 90412659822.

The previous prime is 90412659769. The next prime is 90412659829. The reversal of 90412659823 is 32895621409.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90412659823 - 2²⁵ = 90379105391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90412659829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45206329911 + 45206329912.

It is an arithmetic number, because the mean of its divisors is an integer number (45206329912).

Almost surely, 2^90412659823 is an apocalyptic number.

90412659823 is a deficient number, since it is larger than the sum of its proper divisors (1).

90412659823 is an equidigital number, since it uses as much as digits as its factorization.

90412659823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 90412659823 in words is "ninety billion, four hundred twelve million, six hundred fifty-nine thousand, eight hundred twenty-three".