123440200331 has 8 divisors (see below), whose sum is σ = 148499489280. Its totient is φ = 100237155048.

The previous prime is 123440200321. The next prime is 123440200339. The reversal of 123440200331 is 133002044321.

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 123440200331 - 2²⁶ = 123373091467 is a prime.

It is a super-2 number, since 2×123440200331² (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 = 123440200297 and 123440200306.

It is not an unprimeable number, because it can be changed into a prime (123440200339) 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, 464060771 + ... + 464061036.

It is an arithmetic number, because the mean of its divisors is an integer number (18562436160).

Almost surely, 2^123440200331 is an apocalyptic number.

123440200331 is a deficient number, since it is larger than the sum of its proper divisors (25059288949).

123440200331 is an equidigital number, since it uses as much as digits as its factorization.

123440200331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928121833.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 123440200331 its reverse (133002044321), we get a palindrome (256442244652).

The spelling of 123440200331 in words is "one hundred twenty-three billion, four hundred forty million, two hundred thousand, three hundred thirty-one".