23211020120231 has 8 divisors (see below), whose sum is σ = 23472742191840. Its totient is φ = 22949318584192.

The previous prime is 23211020120227. The next prime is 23211020120383. The reversal of 23211020120231 is 13202102011232.

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

It is a cyclic number.

It is not a de Polignac number, because 23211020120231 - 2² = 23211020120227 is a prime.

It is a super-2 number, since 2×23211020120231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23211020120201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2854910 + ... + 7387323.

It is an arithmetic number, because the mean of its divisors is an integer number (2934092773980).

Almost surely, 2^{23211020120231} is an apocalyptic number.

23211020120231 is a deficient number, since it is larger than the sum of its proper divisors (261722071609).

23211020120231 is a wasteful number, since it uses less digits than its factorization.

23211020120231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10267785.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 23211020120231 its reverse (13202102011232), we get a palindrome (36413122131463).

The spelling of 23211020120231 in words is "twenty-three trillion, two hundred eleven billion, twenty million, one hundred twenty thousand, two hundred thirty-one".