221032032023 has 4 divisors (see below), whose sum is σ = 241125853128. Its totient is φ = 200938210920.

The previous prime is 221032031999. The next prime is 221032032037. The reversal of 221032032023 is 320230230122.

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 221032032023 - 2¹⁸ = 221031769879 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221032031986 and 221032032004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221032032043) 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, 10046910536 + ... + 10046910557.

It is an arithmetic number, because the mean of its divisors is an integer number (60281463282).

Almost surely, 2^221032032023 is an apocalyptic number.

221032032023 is a deficient number, since it is larger than the sum of its proper divisors (20093821105).

221032032023 is a wasteful number, since it uses less digits than its factorization.

221032032023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20093821104.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 221032032023 its reverse (320230230122), we get a palindrome (541262262145).

The spelling of 221032032023 in words is "two hundred twenty-one billion, thirty-two million, thirty-two thousand, twenty-three".