23331231121 has 8 divisors (see below), whose sum is σ = 25699362624. Its totient is φ = 21004284720.

The previous prime is 23331231101. The next prime is 23331231149. The reversal of 23331231121 is 12113213332.

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 23331231121 - 2⁹ = 23331230609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23331231092 and 23331231101.

It is not an unprimeable number, because it can be changed into a prime (23331231101) 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, 10295086 + ... + 10297351.

It is an arithmetic number, because the mean of its divisors is an integer number (3212420328).

Almost surely, 2^23331231121 is an apocalyptic number.

It is an amenable number.

23331231121 is a deficient number, since it is larger than the sum of its proper divisors (2368131503).

23331231121 is a wasteful number, since it uses less digits than its factorization.

23331231121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20592551.

The product of its digits is 648, while the sum is 22.

Adding to 23331231121 its reverse (12113213332), we get a palindrome (35444444453).

It can be divided in two parts, 23331 and 231121, that added together give a palindrome (254452).

The spelling of 23331231121 in words is "twenty-three billion, three hundred thirty-one million, two hundred thirty-one thousand, one hundred twenty-one".