2631123 has 20 divisors (see below), whose sum is σ = 4289208. Its totient is φ = 1594080.

The previous prime is 2631103. The next prime is 2631133. The reversal of 2631123 is 3211362.

It is not a de Polignac number, because 2631123 - 2⁵ = 2631091 is a prime.

It is a super-2 number, since 2×2631123² = 13845616482258, which contains 22 as substring.

2631123 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2631096 and 2631105.

It is not an unprimeable number, because it can be changed into a prime (2631103) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 586 + ... + 2367.

2^2631123 is an apocalyptic number.

2631123 is a deficient number, since it is larger than the sum of its proper divisors (1658085).

2631123 is a wasteful number, since it uses less digits than its factorization.

2631123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2976 (or 2967 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 2631123 is about 1622.0736728028. The cubic root of 2631123 is about 138.0533819943.

Adding to 2631123 its reverse (3211362), we get a palindrome (5842485).

The spelling of 2631123 in words is "two million, six hundred thirty-one thousand, one hundred twenty-three".