123232001320001 has 6 divisors (see below), whose sum is σ = 143351511739650. Its totient is φ = 105627429702816.

The previous prime is 123232001319991. The next prime is 123232001320007. The reversal of 123232001320001 is 100023100232321.

It can be written as a sum of positive squares in only one way, i.e., 105423609760000 + 17808391560001 = 10267600^2 + 4219999^2 .

It is not a de Polignac number, because 123232001320001 - 2²⁶ = 123231934211137 is a prime.

It is a super-2 number, since 2×123232001320001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (123232001320007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1257469401176 + ... + 1257469401273.

It is an arithmetic number, because the mean of its divisors is an integer number (23891918623275).

Almost surely, 2^{123232001320001} is an apocalyptic number.

It is an amenable number.

123232001320001 is a deficient number, since it is larger than the sum of its proper divisors (20119510419649).

123232001320001 is an equidigital number, since it uses as much as digits as its factorization.

123232001320001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514938802463 (or 2514938802456 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 123232001320001 its reverse (100023100232321), we get a palindrome (223255101552322).

The spelling of 123232001320001 in words is "one hundred twenty-three trillion, two hundred thirty-two billion, one million, three hundred twenty thousand, one".