2031123 has 4 divisors (see below), whose sum is σ = 2708168. Its totient is φ = 1354080.

The previous prime is 2031121. The next prime is 2031137. The reversal of 2031123 is 3211302.

It is a happy number.

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

It is not a de Polignac number, because 2031123 - 2¹ = 2031121 is a prime.

It is a super-2 number, since 2×2031123² = 8250921282258, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2031099 and 2031108.

It is not an unprimeable number, because it can be changed into a prime (2031121) 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, 338518 + ... + 338523.

It is an arithmetic number, because the mean of its divisors is an integer number (677042).

2^2031123 is an apocalyptic number.

2031123 is a deficient number, since it is larger than the sum of its proper divisors (677045).

2031123 is an equidigital number, since it uses as much as digits as its factorization.

2031123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677044.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 2031123 is about 1425.1747261301. The cubic root of 2031123 is about 126.6422860124.

Adding to 2031123 its reverse (3211302), we get a palindrome (5242425).

It can be divided in two parts, 203 and 1123, that added together give a triangular number (1326 = T₅₁).

The spelling of 2031123 in words is "two million, thirty-one thousand, one hundred twenty-three".