3111243023 has 4 divisors (see below), whose sum is σ = 3555706320. Its totient is φ = 2666779728.

The previous prime is 3111243007. The next prime is 3111243089. The reversal of 3111243023 is 3203421113.

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

It is a cyclic number.

It is not a de Polignac number, because 3111243023 - 2⁴ = 3111243007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3111242986 and 3111243004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3111243523) 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, 222231638 + ... + 222231651.

It is an arithmetic number, because the mean of its divisors is an integer number (888926580).

Almost surely, 2^3111243023 is an apocalyptic number.

3111243023 is a deficient number, since it is larger than the sum of its proper divisors (444463297).

3111243023 is an equidigital number, since it uses as much as digits as its factorization.

3111243023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444463296.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 3111243023 is about 55778.5175762139. The cubic root of 3111243023 is about 1459.8603455273.

Adding to 3111243023 its reverse (3203421113), we get a palindrome (6314664136).

The spelling of 3111243023 in words is "three billion, one hundred eleven million, two hundred forty-three thousand, twenty-three".