90415051223 has 12 divisors (see below), whose sum is σ = 108803476440. Its totient is φ = 74826248112.

The previous prime is 90415051219. The next prime is 90415051229. The reversal of 90415051223 is 32215051409.

It is not a de Polignac number, because 90415051223 - 2² = 90415051219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90415051223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90415051229) 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 11 ways as a sum of consecutive naturals, for example, 31812461 + ... + 31815302.

It is an arithmetic number, because the mean of its divisors is an integer number (9066956370).

Almost surely, 2^90415051223 is an apocalyptic number.

90415051223 is a deficient number, since it is larger than the sum of its proper divisors (18388425217).

90415051223 is a wasteful number, since it uses less digits than its factorization.

90415051223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63627806 (or 63627799 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The spelling of 90415051223 in words is "ninety billion, four hundred fifteen million, fifty-one thousand, two hundred twenty-three".