1223120432 has 40 divisors (see below), whose sum is σ = 2430152496. Its totient is φ = 596134656.

The previous prime is 1223120417. The next prime is 1223120461. The reversal of 1223120432 is 2340213221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128543 + ... + 137729.

Almost surely, 2^1223120432 is an apocalyptic number.

It is an amenable number.

1223120432 is a deficient number, since it is larger than the sum of its proper divisors (1207032064).

1223120432 is a wasteful number, since it uses less digits than its factorization.

1223120432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9405 (or 9399 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1223120432 is about 34973.1387210242. The cubic root of 1223120432 is about 1069.4399584739.

Adding to 1223120432 its reverse (2340213221), we get a palindrome (3563333653).

The spelling of 1223120432 in words is "one billion, two hundred twenty-three million, one hundred twenty thousand, four hundred thirty-two".