2123302751 has 4 divisors (see below), whose sum is σ = 2132824512. Its totient is φ = 2113780992.

The previous prime is 2123302717. The next prime is 2123302759. The reversal of 2123302751 is 1572033212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2123302751 - 2¹⁴ = 2123286367 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2123302751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123302759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4760546 + ... + 4760991.

It is an arithmetic number, because the mean of its divisors is an integer number (533206128).

Almost surely, 2^2123302751 is an apocalyptic number.

2123302751 is a deficient number, since it is larger than the sum of its proper divisors (9521761).

2123302751 is an equidigital number, since it uses as much as digits as its factorization.

2123302751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9521760.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 2123302751 is about 46079.3093589737. The cubic root of 2123302751 is about 1285.2984214074.

Adding to 2123302751 its reverse (1572033212), we get a palindrome (3695335963).

The spelling of 2123302751 in words is "two billion, one hundred twenty-three million, three hundred two thousand, seven hundred fifty-one".