3123055140 has 24 divisors (see below), whose sum is σ = 8744554560. Its totient is φ = 832814688.

The previous prime is 3123055081. The next prime is 3123055141. The reversal of 3123055140 is 415503213.

It is a self number, because there is not a number n which added to its sum of digits gives 3123055140.

It is not an unprimeable number, because it can be changed into a prime (3123055141) 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, 26025400 + ... + 26025519.

It is an arithmetic number, because the mean of its divisors is an integer number (364356440).

Almost surely, 2^3123055140 is an apocalyptic number.

3123055140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3123055140 is an abundant number, since it is smaller than the sum of its proper divisors (5621499420).

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

3123055140 is a wasteful number, since it uses less digits than its factorization.

3123055140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52050931 (or 52050929 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 3123055140 is about 55884.3013734627. The cubic root of 3123055140 is about 1461.7055098913.

Adding to 3123055140 its reverse (415503213), we get a palindrome (3538558353).

The spelling of 3123055140 in words is "three billion, one hundred twenty-three million, fifty-five thousand, one hundred forty".