1223040232 has 16 divisors (see below), whose sum is σ = 2305209600. Its totient is φ = 608317680.

The previous prime is 1223040211. The next prime is 1223040239. The reversal of 1223040232 is 2320403221.

It is a super-2 number, since 2×1223040232² = 2991654818181227648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1223040239) 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, 398682 + ... + 401737.

It is an arithmetic number, because the mean of its divisors is an integer number (144075600).

Almost surely, 2^1223040232 is an apocalyptic number.

It is an amenable number.

1223040232 is a deficient number, since it is larger than the sum of its proper divisors (1082169368).

1223040232 is a wasteful number, since it uses less digits than its factorization.

1223040232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800616 (or 800612 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 1223040232 is about 34971.9921079712. The cubic root of 1223040232 is about 1069.4165835723.

Adding to 1223040232 its reverse (2320403221), we get a palindrome (3543443453).

The spelling of 1223040232 in words is "one billion, two hundred twenty-three million, forty thousand, two hundred thirty-two".