2013331123 has 2 divisors, whose sum is σ = 2013331124. Its totient is φ = 2013331122.

The previous prime is 2013331091. The next prime is 2013331141. The reversal of 2013331123 is 3211333102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2013331123 - 2⁵ = 2013331091 is a prime.

It is a super-2 number, since 2×2013331123² = 8107004421680882258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2013331123.

It is not a weakly prime, because it can be changed into another prime (2013335123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006665561 + 1006665562.

It is an arithmetic number, because the mean of its divisors is an integer number (1006665562).

Almost surely, 2^2013331123 is an apocalyptic number.

2013331123 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013331123 is an equidigital number, since it uses as much as digits as its factorization.

2013331123 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 2013331123 is about 44870.1584909169. The cubic root of 2013331123 is about 1262.7142134701.

Adding to 2013331123 its reverse (3211333102), we get a palindrome (5224664225).

The spelling of 2013331123 in words is "two billion, thirteen million, three hundred thirty-one thousand, one hundred twenty-three".