11435311123 has 2 divisors, whose sum is σ = 11435311124. Its totient is φ = 11435311122.

The previous prime is 11435311109. The next prime is 11435311127. The reversal of 11435311123 is 32111353411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11435311123 - 2⁵ = 11435311091 is a prime.

It is a super-2 number, since 2×11435311123² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11435311127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5717655561 + 5717655562.

It is an arithmetic number, because the mean of its divisors is an integer number (5717655562).

Almost surely, 2^11435311123 is an apocalyptic number.

11435311123 is a deficient number, since it is larger than the sum of its proper divisors (1).

11435311123 is an equidigital number, since it uses as much as digits as its factorization.

11435311123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 25.

Adding to 11435311123 its reverse (32111353411), we get a palindrome (43546664534).

The spelling of 11435311123 in words is "eleven billion, four hundred thirty-five million, three hundred eleven thousand, one hundred twenty-three".