2303661388 has 24 divisors (see below), whose sum is σ = 4609043712. Its totient is φ = 986914704.

The previous prime is 2303661379. The next prime is 2303661397. The reversal of 2303661388 is 8831663032.

It is an interprime number because it is at equal distance from previous prime (2303661379) and next prime (2303661397).

It is a self number, because there is not a number n which added to its sum of digits gives 2303661388.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69081 + ... + 96847.

It is an arithmetic number, because the mean of its divisors is an integer number (192043488).

Almost surely, 2^2303661388 is an apocalyptic number.

2303661388 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2303661388 is an abundant number, since it is smaller than the sum of its proper divisors (2305382324).

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

2303661388 is a wasteful number, since it uses less digits than its factorization.

2303661388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30741 (or 30739 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 2303661388 is about 47996.4726620613. The cubic root of 2303661388 is about 1320.7061931361.

The spelling of 2303661388 in words is "two billion, three hundred three million, six hundred sixty-one thousand, three hundred eighty-eight".