11315123 has 2 divisors, whose sum is σ = 11315124. Its totient is φ = 11315122.

The previous prime is 11315111. The next prime is 11315137. The reversal of 11315123 is 32151311.

11315123 is nontrivially palindromic in base 11.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11315123 - 2⁴ = 11315107 is a prime.

It is not a weakly prime, because it can be changed into another prime (11315153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5657561 + 5657562.

It is an arithmetic number, because the mean of its divisors is an integer number (5657562).

Almost surely, 2^11315123 is an apocalyptic number.

11315123 is a deficient number, since it is larger than the sum of its proper divisors (1).

11315123 is an equidigital number, since it uses as much as digits as its factorization.

11315123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90, while the sum is 17.

The square root of 11315123 is about 3363.7959212770. The cubic root of 11315123 is about 224.5017650237.

Adding to 11315123 its reverse (32151311), we get a palindrome (43466434).

The spelling of 11315123 in words is "eleven million, three hundred fifteen thousand, one hundred twenty-three".