4013122123 has 2 divisors, whose sum is σ = 4013122124. Its totient is φ = 4013122122.

The previous prime is 4013122117. The next prime is 4013122207. The reversal of 4013122123 is 3212213104.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4013122123 - 2⁹ = 4013121611 is a prime.

It is a super-2 number, since 2×4013122123² = 32210298348224054258, 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 4013122123.

It is not a weakly prime, because it can be changed into another prime (4013122723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2006561061 + 2006561062.

It is an arithmetic number, because the mean of its divisors is an integer number (2006561062).

Almost surely, 2^4013122123 is an apocalyptic number.

4013122123 is a deficient number, since it is larger than the sum of its proper divisors (1).

4013122123 is an equidigital number, since it uses as much as digits as its factorization.

4013122123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 4013122123 is about 63349.2077535307. The cubic root of 4013122123 is about 1589.1349965832.

Adding to 4013122123 its reverse (3212213104), we get a palindrome (7225335227).

The spelling of 4013122123 in words is "four billion, thirteen million, one hundred twenty-two thousand, one hundred twenty-three".