2303923356 has 216 divisors, whose sum is σ = 7271344080. Its totient is φ = 611380224.

The previous prime is 2303923309. The next prime is 2303923361. The reversal of 2303923356 is 6533293032.

2303923356 is a `hidden beast` number, since 230 + 3 + 92 + 335 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2303923356.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1775700 + ... + 1776996.

It is an arithmetic number, because the mean of its divisors is an integer number (33663630).

Almost surely, 2^2303923356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2303923356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3635672040).

2303923356 is an abundant number, since it is smaller than the sum of its proper divisors (4967420724).

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

2303923356 is a wasteful number, since it uses less digits than its factorization.

2303923356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393 (or 1381 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 36.

The square root of 2303923356 is about 47999.2016183603. The cubic root of 2303923356 is about 1320.7562539723.

The spelling of 2303923356 in words is "two billion, three hundred three million, nine hundred twenty-three thousand, three hundred fifty-six".