32011223 has 4 divisors (see below), whose sum is σ = 32151240. Its totient is φ = 31871208.

The previous prime is 32011211. The next prime is 32011237. The reversal of 32011223 is 32211023.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 32011223 - 2⁴ = 32011207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32011198 and 32011207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32011123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69665 + ... + 70122.

It is an arithmetic number, because the mean of its divisors is an integer number (8037810).

Almost surely, 2^32011223 is an apocalyptic number.

32011223 is a deficient number, since it is larger than the sum of its proper divisors (140017).

32011223 is a wasteful number, since it uses less digits than its factorization.

32011223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140016.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 32011223 is about 5657.8461449566. The cubic root of 32011223 is about 317.5173214763.

Adding to 32011223 its reverse (32211023), we get a palindrome (64222246).

The spelling of 32011223 in words is "thirty-two million, eleven thousand, two hundred twenty-three".