1101223432 has 32 divisors (see below), whose sum is σ = 2179800000. Its totient is φ = 520112448.

The previous prime is 1101223411. The next prime is 1101223441. The reversal of 1101223432 is 2343221011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 42669 + ... + 63427.

It is an arithmetic number, because the mean of its divisors is an integer number (68118750).

Almost surely, 2^1101223432 is an apocalyptic number.

It is an amenable number.

1101223432 is a deficient number, since it is larger than the sum of its proper divisors (1078576568).

1101223432 is a wasteful number, since it uses less digits than its factorization.

1101223432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21133 (or 21129 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1101223432 is about 33184.6867093845. The cubic root of 1101223432 is about 1032.6626780632.

Adding to 1101223432 its reverse (2343221011), we get a palindrome (3444444443).

The spelling of 1101223432 in words is "one billion, one hundred one million, two hundred twenty-three thousand, four hundred thirty-two".