123200220331 has 4 divisors (see below), whose sum is σ = 123222860392. Its totient is φ = 123177580272.

The previous prime is 123200220263. The next prime is 123200220347. The reversal of 123200220331 is 133022002321.

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 123200220331 - 2⁹ = 123200219819 is a prime.

It is a super-2 number, since 2×123200220331² (a number of 23 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 = 123200220299 and 123200220308.

It is not an unprimeable number, because it can be changed into a prime (123200220431) 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, 11311866 + ... + 11322751.

It is an arithmetic number, because the mean of its divisors is an integer number (30805715098).

Almost surely, 2^123200220331 is an apocalyptic number.

123200220331 is a deficient number, since it is larger than the sum of its proper divisors (22640061).

123200220331 is an equidigital number, since it uses as much as digits as its factorization.

123200220331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22640060.

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

Adding to 123200220331 its reverse (133022002321), we get a palindrome (256222222652).

The spelling of 123200220331 in words is "one hundred twenty-three billion, two hundred million, two hundred twenty thousand, three hundred thirty-one".