3123234020 has 12 divisors (see below), whose sum is σ = 6558791484. Its totient is φ = 1249293600.

The previous prime is 3123233987. The next prime is 3123234029. The reversal of 3123234020 is 204323213.

It can be written as a sum of positive squares in 2 ways, for example, as 996917476 + 2126316544 = 31574^2 + 46112^2 .

It is a super-3 number, since 3×3123234020³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 156161701 = 3123234020 / (3 + 1 + 2 + 3 + 2 + 3 + 4 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 3123233983 and 3123234001.

It is not an unprimeable number, because it can be changed into a prime (3123234029) 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, 78080831 + ... + 78080870.

It is an arithmetic number, because the mean of its divisors is an integer number (546565957).

Almost surely, 2^3123234020 is an apocalyptic number.

It is an amenable number.

3123234020 is an abundant number, since it is smaller than the sum of its proper divisors (3435557464).

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

3123234020 is a wasteful number, since it uses less digits than its factorization.

3123234020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156161710 (or 156161708 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 3123234020 is about 55885.9018000068. The cubic root of 3123234020 is about 1461.7334168476.

Adding to 3123234020 its reverse (204323213), we get a palindrome (3327557233).

The spelling of 3123234020 in words is "three billion, one hundred twenty-three million, two hundred thirty-four thousand, twenty".