32011221223 has 6 divisors (see below), whose sum is σ = 33784696464. Its totient is φ = 30326419764.

The previous prime is 32011221197. The next prime is 32011221233. The reversal of 32011221223 is 32212211023.

It is not a de Polignac number, because 32011221223 - 2⁵ = 32011221191 is a prime.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32011221223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32011221233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44336511 + ... + 44337232.

It is an arithmetic number, because the mean of its divisors is an integer number (5630782744).

Almost surely, 2^32011221223 is an apocalyptic number.

32011221223 is a deficient number, since it is larger than the sum of its proper divisors (1773475241).

32011221223 is an equidigital number, since it uses as much as digits as its factorization.

32011221223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88673781 (or 88673762 counting only the distinct ones).

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

Adding to 32011221223 its reverse (32212211023), we get a palindrome (64223432246).

The spelling of 32011221223 in words is "thirty-two billion, eleven million, two hundred twenty-one thousand, two hundred twenty-three".