23210132011111 has 4 divisors (see below), whose sum is σ = 23214641464872. Its totient is φ = 23205622557352.

The previous prime is 23210132011091. The next prime is 23210132011151. The reversal of 23210132011111 is 11111023101232.

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 23210132011111 - 2¹¹ = 23210132009063 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 (23210132011151) 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, 2254719160 + ... + 2254729453.

It is an arithmetic number, because the mean of its divisors is an integer number (5803660366218).

Almost surely, 2^{23210132011111} is an apocalyptic number.

23210132011111 is a deficient number, since it is larger than the sum of its proper divisors (4509453761).

23210132011111 is an equidigital number, since it uses as much as digits as its factorization.

23210132011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4509453760.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 23210132011111 its reverse (11111023101232), we get a palindrome (34321155112343).

The spelling of 23210132011111 in words is "twenty-three trillion, two hundred ten billion, one hundred thirty-two million, eleven thousand, one hundred eleven".