823290297030 has 48 divisors (see below), whose sum is σ = 2140608824640. Its totient is φ = 219538535424.

The previous prime is 823290297007. The next prime is 823290297031. The reversal of 823290297030 is 30792092328.

823290297030 is a `hidden beast` number, since 8 + 2 + 329 + 0 + 297 + 0 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (823290297031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4477651 + ... + 4657889.

It is an arithmetic number, because the mean of its divisors is an integer number (44596017180).

Almost surely, 2^823290297030 is an apocalyptic number.

823290297030 is an abundant number, since it is smaller than the sum of its proper divisors (1317318527610).

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

823290297030 is a wasteful number, since it uses less digits than its factorization.

823290297030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231005 (or 231002 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 823290297030 in words is "eight hundred twenty-three billion, two hundred ninety million, two hundred ninety-seven thousand, thirty".