3113203123 has 2 divisors, whose sum is σ = 3113203124. Its totient is φ = 3113203122.

The previous prime is 3113203109. The next prime is 3113203127. The reversal of 3113203123 is 3213023113.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3113203123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3113203123.

It is not a weakly prime, because it can be changed into another prime (3113203127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1556601561 + 1556601562.

It is an arithmetic number, because the mean of its divisors is an integer number (1556601562).

Almost surely, 2^3113203123 is an apocalyptic number.

3113203123 is a deficient number, since it is larger than the sum of its proper divisors (1).

3113203123 is an equidigital number, since it uses as much as digits as its factorization.

3113203123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 3113203123 is about 55796.0851942141. The cubic root of 3113203123 is about 1460.1668544840.

Adding to 3113203123 its reverse (3213023113), we get a palindrome (6326226236).

The spelling of 3113203123 in words is "three billion, one hundred thirteen million, two hundred three thousand, one hundred twenty-three".