123401220331 has 8 divisors (see below), whose sum is σ = 124662841344. Its totient is φ = 122141605800.

The previous prime is 123401220317. The next prime is 123401220359. The reversal of 123401220331 is 133022104321.

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 123401220331 - 2¹⁵ = 123401187563 is a prime.

It is a super-2 number, since 2×123401220331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123401220731) 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, 377835 + ... + 624148.

It is an arithmetic number, because the mean of its divisors is an integer number (15582855168).

Almost surely, 2^123401220331 is an apocalyptic number.

123401220331 is a deficient number, since it is larger than the sum of its proper divisors (1261621013).

123401220331 is a wasteful number, since it uses less digits than its factorization.

123401220331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003241.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 123401220331 its reverse (133022104321), we get a palindrome (256423324652).

The spelling of 123401220331 in words is "one hundred twenty-three billion, four hundred one million, two hundred twenty thousand, three hundred thirty-one".