2757666123 has 6 divisors (see below), whose sum is σ = 3983295524. Its totient is φ = 1838444076.

The previous prime is 2757666103. The next prime is 2757666139. The reversal of 2757666123 is 3216667572.

2757666123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2757666123 - 2⁵ = 2757666091 is a prime.

It is a super-2 number, since 2×2757666123² = 15209444891883702258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2757666103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 153203665 + ... + 153203682.

Almost surely, 2^2757666123 is an apocalyptic number.

2757666123 is a deficient number, since it is larger than the sum of its proper divisors (1225629401).

2757666123 is a wasteful number, since it uses less digits than its factorization.

2757666123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306407353 (or 306407350 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The square root of 2757666123 is about 52513.4851538155. The cubic root of 2757666123 is about 1402.3203228123.

The spelling of 2757666123 in words is "two billion, seven hundred fifty-seven million, six hundred sixty-six thousand, one hundred twenty-three".