2523123 has 32 divisors (see below), whose sum is σ = 4147200. Its totient is φ = 1507968.

The previous prime is 2523107. The next prime is 2523133. The reversal of 2523123 is 3213252.

It is not a de Polignac number, because 2523123 - 2⁴ = 2523107 is a prime.

It is a super-2 number, since 2×2523123² = 12732299346258, which contains 22 as substring.

2523123 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2523096 and 2523105.

It is not an unprimeable number, because it can be changed into a prime (2523133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10438 + ... + 10676.

It is an arithmetic number, because the mean of its divisors is an integer number (129600).

2^2523123 is an apocalyptic number.

2523123 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2523123 is a deficient number, since it is larger than the sum of its proper divisors (1624077).

2523123 is a wasteful number, since it uses less digits than its factorization.

2523123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288 (or 282 counting only the distinct ones).

The product of its digits is 360, while the sum is 18.

The square root of 2523123 is about 1588.4341346118. The cubic root of 2523123 is about 136.1380338740.

Adding to 2523123 its reverse (3213252), we get a palindrome (5736375).

It can be divided in two parts, 252 and 3123, that added together give a cube (3375 = 15³).

The spelling of 2523123 in words is "two million, five hundred twenty-three thousand, one hundred twenty-three".