23131222302121 has 8 divisors (see below), whose sum is σ = 23357001530304. Its totient is φ = 22905466232880.

The previous prime is 23131222302103. The next prime is 23131222302179. The reversal of 23131222302121 is 12120322213132.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23131222302121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23131222362121) 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, 3778990 + ... + 7780951.

It is an arithmetic number, because the mean of its divisors is an integer number (2919625191288).

Almost surely, 2^{23131222302121} is an apocalyptic number.

It is an amenable number.

23131222302121 is a deficient number, since it is larger than the sum of its proper divisors (225779228183).

23131222302121 is a wasteful number, since it uses less digits than its factorization.

23131222302121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11579471.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 23131222302121 its reverse (12120322213132), we get a palindrome (35251544515253).

The spelling of 23131222302121 in words is "twenty-three trillion, one hundred thirty-one billion, two hundred twenty-two million, three hundred two thousand, one hundred twenty-one".