3123012243 has 32 divisors (see below), whose sum is σ = 4778919936. Its totient is φ = 1799157888.

The previous prime is 3123012229. The next prime is 3123012247. The reversal of 3123012243 is 3422103213.

It is not a de Polignac number, because 3123012243 - 2¹³ = 3123004051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3123012247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5121 + ... + 79197.

It is an arithmetic number, because the mean of its divisors is an integer number (149341248).

Almost surely, 2^3123012243 is an apocalyptic number.

3123012243 is a deficient number, since it is larger than the sum of its proper divisors (1655907693).

3123012243 is a wasteful number, since it uses less digits than its factorization.

3123012243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74163.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 3123012243 is about 55883.9175702635. The cubic root of 3123012243 is about 1461.6988173989.

Adding to 3123012243 its reverse (3422103213), we get a palindrome (6545115456).

The spelling of 3123012243 in words is "three billion, one hundred twenty-three million, twelve thousand, two hundred forty-three".