2303431400 has 24 divisors (see below), whose sum is σ = 5355478470. Its totient is φ = 921372480.

The previous prime is 2303431387. The next prime is 2303431423. The reversal of 2303431400 is 41343032.

It can be written as a sum of positive squares in 3 ways, for example, as 1786414756 + 517016644 = 42266^2 + 22738^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5758379 + ... + 5758778.

Almost surely, 2^2303431400 is an apocalyptic number.

2303431400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2303431400 is an abundant number, since it is smaller than the sum of its proper divisors (3052047070).

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

2303431400 is a wasteful number, since it uses less digits than its factorization.

2303431400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11517173 (or 11517164 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 2303431400 is about 47994.0767178618. The cubic root of 2303431400 is about 1320.6622403969.

Adding to 2303431400 its reverse (41343032), we get a palindrome (2344774432).

The spelling of 2303431400 in words is "two billion, three hundred three million, four hundred thirty-one thousand, four hundred".