2302312 has 8 divisors (see below), whose sum is σ = 4316850. Its totient is φ = 1151152.

The previous prime is 2302309. The next prime is 2302331. The reversal of 2302312 is 2132032.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1503076 + 799236 = 1226^2 + 894^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2302292 and 2302301.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143887 + ... + 143902.

2^2302312 is an apocalyptic number.

It is an amenable number.

2302312 is a deficient number, since it is larger than the sum of its proper divisors (2014538).

2302312 is a wasteful number, since it uses less digits than its factorization.

2302312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287795 (or 287791 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2302312 is about 1517.3371411786. The cubic root of 2302312 is about 132.0448271380.

Adding to 2302312 its reverse (2132032), we get a palindrome (4434344).

The spelling of 2302312 in words is "two million, three hundred two thousand, three hundred twelve".