3123214040 has 64 divisors (see below), whose sum is σ = 7274741760. Its totient is φ = 1205516160.

The previous prime is 3123214037. The next prime is 3123214043. The reversal of 3123214040 is 404123213.

3123214040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3123214037) and next prime (3123214043).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123214043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 451649 + ... + 458511.

It is an arithmetic number, because the mean of its divisors is an integer number (113667840).

Almost surely, 2^3123214040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3123214040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3637370880).

3123214040 is an abundant number, since it is smaller than the sum of its proper divisors (4151527720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3123214040 is a wasteful number, since it uses less digits than its factorization.

3123214040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7272 (or 7268 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 3123214040 is about 55885.7230426520. The cubic root of 3123214040 is about 1461.7302998332.

Adding to 3123214040 its reverse (404123213), we get a palindrome (3527337253).

The spelling of 3123214040 in words is "three billion, one hundred twenty-three million, two hundred fourteen thousand, forty".