2303211240 has 128 divisors (see below), whose sum is σ = 8375356800. Its totient is φ = 558351360.

The previous prime is 2303211151. The next prime is 2303211263. The reversal of 2303211240 is 421123032.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 31 ways as a sum of consecutive naturals, for example, 85057 + ... + 108816.

It is an arithmetic number, because the mean of its divisors is an integer number (65432475).

Almost surely, 2^2303211240 is an apocalyptic number.

2303211240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2303211240 is an abundant number, since it is smaller than the sum of its proper divisors (6072145560).

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

2303211240 is a wasteful number, since it uses less digits than its factorization.

2303211240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193904 (or 193894 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2303211240 is about 47991.7830466841. The cubic root of 2303211240 is about 1320.6201631344.

Adding to 2303211240 its reverse (421123032), we get a palindrome (2724334272).

The spelling of 2303211240 in words is "two billion, three hundred three million, two hundred eleven thousand, two hundred forty".