12523223 has 8 divisors (see below), whose sum is σ = 13364400. Its totient is φ = 11700288.

The previous prime is 12523219. The next prime is 12523229. The reversal of 12523223 is 32232521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12523223 - 2² = 12523219 is a prime.

It is a super-2 number, since 2×12523223² = 313662228615458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12523195 and 12523204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12523229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3128 + ... + 5901.

It is an arithmetic number, because the mean of its divisors is an integer number (1670550).

Almost surely, 2^12523223 is an apocalyptic number.

12523223 is a deficient number, since it is larger than the sum of its proper divisors (841177).

12523223 is an equidigital number, since it uses as much as digits as its factorization.

12523223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9121.

The product of its digits is 720, while the sum is 20.

The square root of 12523223 is about 3538.8166101114. The cubic root of 12523223 is about 232.2230749248.

Adding to 12523223 its reverse (32232521), we get a palindrome (44755744).

The spelling of 12523223 in words is "twelve million, five hundred twenty-three thousand, two hundred twenty-three".