23202120331 has 8 divisors (see below), whose sum is σ = 25166662640. Its totient is φ = 21263258592.

The previous prime is 23202120311. The next prime is 23202120371. The reversal of 23202120331 is 13302120232.

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-23202120331 is a prime.

It is a super-2 number, since 2×23202120331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23202120299 and 23202120308.

It is not an unprimeable number, because it can be changed into a prime (23202120311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6418260 + ... + 6421873.

It is an arithmetic number, because the mean of its divisors is an integer number (3145832830).

Almost surely, 2^23202120331 is an apocalyptic number.

23202120331 is a deficient number, since it is larger than the sum of its proper divisors (1964542309).

23202120331 is a wasteful number, since it uses less digits than its factorization.

23202120331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12840285.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 23202120331 its reverse (13302120232), we get a palindrome (36504240563).

Subtracting from 23202120331 its reverse (13302120232), we obtain a palindrome (9900000099).

The spelling of 23202120331 in words is "twenty-three billion, two hundred two million, one hundred twenty thousand, three hundred thirty-one".