11123123351 has 2 divisors, whose sum is σ = 11123123352. Its totient is φ = 11123123350.

The previous prime is 11123123321. The next prime is 11123123377. The reversal of 11123123351 is 15332132111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11123123351 - 2⁶ = 11123123287 is a prime.

It is a super-2 number, since 2×11123123351² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11123123321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561561675 + 5561561676.

It is an arithmetic number, because the mean of its divisors is an integer number (5561561676).

Almost surely, 2^11123123351 is an apocalyptic number.

11123123351 is a deficient number, since it is larger than the sum of its proper divisors (1).

11123123351 is an equidigital number, since it uses as much as digits as its factorization.

11123123351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 540, while the sum is 23.

Adding to 11123123351 its reverse (15332132111), we get a palindrome (26455255462).

The spelling of 11123123351 in words is "eleven billion, one hundred twenty-three million, one hundred twenty-three thousand, three hundred fifty-one".