823031000090 has 64 divisors (see below), whose sum is σ = 1608685892352.
Its totient is φ = 301363545600.
The previous prime is 823031000081. The next prime is 823031000101. The reversal of 823031000090 is 90000130328.
823031000090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (26).
It is a cake number, because a cake can be divided into 823031000090 parts by 17029 planar cuts.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26261630 + ... + 26292950.
It is an arithmetic number, because the mean of its divisors is an integer number (25135717068).
Almost surely, 2823031000090 is an apocalyptic number.
823031000090 is a deficient number, since it is larger than the sum of its proper divisors (785654892262).
823031000090 is a wasteful number, since it uses less digits than its factorization.
823031000090 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33015.
The product of its (nonzero) digits is 1296, while the sum is 26.
The spelling of 823031000090 in words is "eight hundred twenty-three billion, thirty-one million, ninety", and thus it is an aban number.