23532221111 has 8 divisors (see below), whose sum is σ = 27005562144. Its totient is φ = 20086778880.

The previous prime is 23532221099. The next prime is 23532221113. The reversal of 23532221111 is 11112223532.

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

It is not a de Polignac number, because 23532221111 - 2¹⁴ = 23532204727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23532221113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6972890 + ... + 6976263.

It is an arithmetic number, because the mean of its divisors is an integer number (3375695268).

Almost surely, 2^23532221111 is an apocalyptic number.

23532221111 is a deficient number, since it is larger than the sum of its proper divisors (3473341033).

23532221111 is a wasteful number, since it uses less digits than its factorization.

23532221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13949401.

The product of its digits is 720, while the sum is 23.

Adding to 23532221111 its reverse (11112223532), we get a palindrome (34644444643).

The spelling of 23532221111 in words is "twenty-three billion, five hundred thirty-two million, two hundred twenty-one thousand, one hundred eleven".