2303112021 has 16 divisors (see below), whose sum is σ = 3514251264. Its totient is φ = 1314283824.

The previous prime is 2303112013. The next prime is 2303112041. The reversal of 2303112021 is 1202113032.

It is not a de Polignac number, because 2303112021 - 2³ = 2303112013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2303112041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58201 + ... + 89406.

It is an arithmetic number, because the mean of its divisors is an integer number (219640704).

Almost surely, 2^2303112021 is an apocalyptic number.

2303112021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2303112021 is a deficient number, since it is larger than the sum of its proper divisors (1211139243).

2303112021 is a wasteful number, since it uses less digits than its factorization.

2303112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148360.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2303112021 is about 47990.7493273443. The cubic root of 2303112021 is about 1320.6011993950.

Adding to 2303112021 its reverse (1202113032), we get a palindrome (3505225053).

The spelling of 2303112021 in words is "two billion, three hundred three million, one hundred twelve thousand, twenty-one".