12150823 has 4 divisors (see below), whose sum is σ = 12790360. Its totient is φ = 11511288.

The previous prime is 12150799. The next prime is 12150829. The reversal of 12150823 is 32805121.

12150823 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12150823 - 2⁹ = 12150311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12150794 and 12150803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12150829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319740 + ... + 319777.

It is an arithmetic number, because the mean of its divisors is an integer number (3197590).

Almost surely, 2^12150823 is an apocalyptic number.

12150823 is a deficient number, since it is larger than the sum of its proper divisors (639537).

12150823 is an equidigital number, since it uses as much as digits as its factorization.

12150823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639536.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 12150823 is about 3485.8030638577. The cubic root of 12150823 is about 229.8980203224.

Adding to 12150823 its reverse (32805121), we get a palindrome (44955944).

The spelling of 12150823 in words is "twelve million, one hundred fifty thousand, eight hundred twenty-three".