3811123 has 4 divisors (see below), whose sum is σ = 3976848. Its totient is φ = 3645400.

The previous prime is 3811121. The next prime is 3811127. The reversal of 3811123 is 3211183.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3211183 = 1783 ⋅1801.

It is a cyclic number.

It is not a de Polignac number, because 3811123 - 2¹ = 3811121 is a prime.

It is a super-2 number, since 2×3811123² = 29049317042258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3811123.

It is not an unprimeable number, because it can be changed into a prime (3811121) 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, 82828 + ... + 82873.

It is an arithmetic number, because the mean of its divisors is an integer number (994212).

Almost surely, 2^3811123 is an apocalyptic number.

3811123 is the 1044-th centered heptagonal number.

3811123 is a deficient number, since it is larger than the sum of its proper divisors (165725).

3811123 is a wasteful number, since it uses less digits than its factorization.

3811123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165724.

The product of its digits is 144, while the sum is 19.

The square root of 3811123 is about 1952.2097735643. The cubic root of 3811123 is about 156.2011841104.

The spelling of 3811123 in words is "three million, eight hundred eleven thousand, one hundred twenty-three".