1023432221 has 8 divisors (see below), whose sum is σ = 1172431680. Its totient is φ = 875131488.

The previous prime is 1023432217. The next prime is 1023432251. The reversal of 1023432221 is 1222343201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1023432221 - 2² = 1023432217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1023432193 and 1023432202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023432251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171536 + ... + 177401.

It is an arithmetic number, because the mean of its divisors is an integer number (146553960).

Almost surely, 2^1023432221 is an apocalyptic number.

It is an amenable number.

1023432221 is a deficient number, since it is larger than the sum of its proper divisors (148999459).

1023432221 is an equidigital number, since it uses as much as digits as its factorization.

1023432221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349363.

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

The square root of 1023432221 is about 31991.1272230286. The cubic root of 1023432221 is about 1007.7505146634.

Adding to 1023432221 its reverse (1222343201), we get a palindrome (2245775422).

The spelling of 1023432221 in words is "one billion, twenty-three million, four hundred thirty-two thousand, two hundred twenty-one".