2123302312 has 32 divisors (see below), whose sum is σ = 4238718120. Its totient is φ = 993669120.

The previous prime is 2123302297. The next prime is 2123302327. The reversal of 2123302312 is 2132033212.

It is an interprime number because it is at equal distance from previous prime (2123302297) and next prime (2123302327).

It can be written as a sum of positive squares in 4 ways, for example, as 744962436 + 1378339876 = 27294^2 + 37126^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2123302312.

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, 18513 + ... + 67744.

Almost surely, 2^2123302312 is an apocalyptic number.

It is an amenable number.

2123302312 is a deficient number, since it is larger than the sum of its proper divisors (2115415808).

2123302312 is a wasteful number, since it uses less digits than its factorization.

2123302312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86461 (or 86457 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2123302312 is about 46079.3045954472. The cubic root of 2123302312 is about 1285.2983328274.

Adding to 2123302312 its reverse (2132033212), we get a palindrome (4255335524).

The spelling of 2123302312 in words is "two billion, one hundred twenty-three million, three hundred two thousand, three hundred twelve".