823234090 has 64 divisors (see below), whose sum is σ = 1830931200. Its totient is φ = 260153856.

The previous prime is 823234081. The next prime is 823234091. The reversal of 823234090 is 90432328.

It is not an unprimeable number, because it can be changed into a prime (823234091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40846 + ... + 57574.

It is an arithmetic number, because the mean of its divisors is an integer number (28608300).

Almost surely, 2^823234090 is an apocalyptic number.

823234090 is an abundant number, since it is smaller than the sum of its proper divisors (1007697110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

823234090 is a wasteful number, since it uses less digits than its factorization.

823234090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16799.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 823234090 is about 28692.0562177060. The cubic root of 823234090 is about 937.2190669939.

The spelling of 823234090 in words is "eight hundred twenty-three million, two hundred thirty-four thousand, ninety".