3111312423 has 8 divisors (see below), whose sum is σ = 4158867568. Its totient is φ = 2068982784.

The previous prime is 3111312401. The next prime is 3111312461. The reversal of 3111312423 is 3242131113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3111312423 - 2⁹ = 3111311911 is a prime.

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 3111312423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3111313423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1304986 + ... + 1307367.

It is an arithmetic number, because the mean of its divisors is an integer number (519858446).

Almost surely, 2^3111312423 is an apocalyptic number.

3111312423 is a deficient number, since it is larger than the sum of its proper divisors (1047555145).

3111312423 is a wasteful number, since it uses less digits than its factorization.

3111312423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2612753.

The product of its digits is 432, while the sum is 21.

The square root of 3111312423 is about 55779.1396760474. The cubic root of 3111312423 is about 1459.8712000908.

Adding to 3111312423 its reverse (3242131113), we get a palindrome (6353443536).

The spelling of 3111312423 in words is "three billion, one hundred eleven million, three hundred twelve thousand, four hundred twenty-three".