23532221109 has 4 divisors (see below), whose sum is σ = 31376294816. Its totient is φ = 15688147404.

The previous prime is 23532221099. The next prime is 23532221113. The reversal of 23532221109 is 90112223532.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 23532221109 - 2⁴ = 23532221093 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23532221509) 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, 3922036849 + ... + 3922036854.

It is an arithmetic number, because the mean of its divisors is an integer number (7844073704).

Almost surely, 2^23532221109 is an apocalyptic number.

It is an amenable number.

23532221109 is a deficient number, since it is larger than the sum of its proper divisors (7844073707).

23532221109 is an equidigital number, since it uses as much as digits as its factorization.

23532221109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7844073706.

The product of its (nonzero) digits is 6480, while the sum is 30.

The spelling of 23532221109 in words is "twenty-three billion, five hundred thirty-two million, two hundred twenty-one thousand, one hundred nine".