11513423 has 2 divisors, whose sum is σ = 11513424. Its totient is φ = 11513422.

The previous prime is 11513419. The next prime is 11513429. The reversal of 11513423 is 32431511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11513423 - 2² = 11513419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11513395 and 11513404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11513429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5756711 + 5756712.

It is an arithmetic number, because the mean of its divisors is an integer number (5756712).

Almost surely, 2^11513423 is an apocalyptic number.

11513423 is a deficient number, since it is larger than the sum of its proper divisors (1).

11513423 is an equidigital number, since it uses as much as digits as its factorization.

11513423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 360, while the sum is 20.

The square root of 11513423 is about 3393.1435277630. The cubic root of 11513423 is about 225.8056582357.

Adding to 11513423 its reverse (32431511), we get a palindrome (43944934).

The spelling of 11513423 in words is "eleven million, five hundred thirteen thousand, four hundred twenty-three".