11031446123 has 2 divisors, whose sum is σ = 11031446124. Its totient is φ = 11031446122.

The previous prime is 11031446071. The next prime is 11031446143. The reversal of 11031446123 is 32164413011.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11031446123 - 2⁶ = 11031446059 is a prime.

It is a super-2 number, since 2×11031446123² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11031446092 and 11031446101.

It is not a weakly prime, because it can be changed into another prime (11031446143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5515723061 + 5515723062.

It is an arithmetic number, because the mean of its divisors is an integer number (5515723062).

Almost surely, 2^11031446123 is an apocalyptic number.

11031446123 is a deficient number, since it is larger than the sum of its proper divisors (1).

11031446123 is an equidigital number, since it uses as much as digits as its factorization.

11031446123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 11031446123 its reverse (32164413011), we get a palindrome (43195859134).

The spelling of 11031446123 in words is "eleven billion, thirty-one million, four hundred forty-six thousand, one hundred twenty-three".