123221232001231 has 8 divisors (see below), whose sum is σ = 151656900924704. Its totient is φ = 97493722022880.

The previous prime is 123221232001223. The next prime is 123221232001271. The reversal of 123221232001231 is 132100232122321.

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 123221232001231 - 2³ = 123221232001223 is a prime.

It is a super-2 number, since 2×123221232001231² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123221232001196 and 123221232001205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123221232001271) 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, 677039736180 + ... + 677039736361.

It is an arithmetic number, because the mean of its divisors is an integer number (18957112615588).

Almost surely, 2^{123221232001231} is an apocalyptic number.

123221232001231 is a deficient number, since it is larger than the sum of its proper divisors (28435668923473).

123221232001231 is a wasteful number, since it uses less digits than its factorization.

123221232001231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1354079472561.

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

Adding to 123221232001231 its reverse (132100232122321), we get a palindrome (255321464123552).

The spelling of 123221232001231 in words is "one hundred twenty-three trillion, two hundred twenty-one billion, two hundred thirty-two million, one thousand, two hundred thirty-one".