12231043 has 12 divisors (see below), whose sum is σ = 13529824. Its totient is φ = 11048400.

The previous prime is 12231001. The next prime is 12231059. The reversal of 12231043 is 34013221.

It is a happy number.

It is not a de Polignac number, because 12231043 - 2¹³ = 12222851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12231073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32605 + ... + 32977.

Almost surely, 2^12231043 is an apocalyptic number.

12231043 is a deficient number, since it is larger than the sum of its proper divisors (1298781).

12231043 is a wasteful number, since it uses less digits than its factorization.

12231043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666 (or 655 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 12231043 is about 3497.2908086117. The cubic root of 12231043 is about 230.4028415910.

Adding to 12231043 its reverse (34013221), we get a palindrome (46244264).

The spelling of 12231043 in words is "twelve million, two hundred thirty-one thousand, forty-three".