2657123 has 12 divisors (see below), whose sum is σ = 3117672. Its totient is φ = 2257920.

The previous prime is 2657119. The next prime is 2657129. The reversal of 2657123 is 3217562.

It is not a de Polignac number, because 2657123 - 2² = 2657119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2657092 and 2657101.

It is not an unprimeable number, because it can be changed into a prime (2657129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10211 + ... + 10467.

It is an arithmetic number, because the mean of its divisors is an integer number (259806).

2^2657123 is an apocalyptic number.

2657123 is a deficient number, since it is larger than the sum of its proper divisors (460549).

2657123 is a wasteful number, since it uses less digits than its factorization.

2657123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482 (or 475 counting only the distinct ones).

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

The square root of 2657123 is about 1630.0684034727. The cubic root of 2657123 is about 138.5066269034.

The spelling of 2657123 in words is "two million, six hundred fifty-seven thousand, one hundred twenty-three".