23221120323 has 16 divisors (see below), whose sum is σ = 32033710080. Its totient is φ = 14944791456.

The previous prime is 23221120319. The next prime is 23221120337. The reversal of 23221120323 is 32302112232.

It is a happy number.

It is not a de Polignac number, because 23221120323 - 2² = 23221120319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23221120323.

It is not an unprimeable number, because it can be changed into a prime (23221120393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 788286 + ... + 817212.

It is an arithmetic number, because the mean of its divisors is an integer number (2002106880).

Almost surely, 2^23221120323 is an apocalyptic number.

23221120323 is a deficient number, since it is larger than the sum of its proper divisors (8812589757).

23221120323 is a wasteful number, since it uses less digits than its factorization.

23221120323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38186.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 23221120323 its reverse (32302112232), we get a palindrome (55523232555).

The spelling of 23221120323 in words is "twenty-three billion, two hundred twenty-one million, one hundred twenty thousand, three hundred twenty-three".