123532102003231 has 4 divisors (see below), whose sum is σ = 123552185264464. Its totient is φ = 123512018742000.

The previous prime is 123532102003139. The next prime is 123532102003351. The reversal of 123532102003231 is 132300201235321.

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 123532102003231 - 2³¹ = 123529954519583 is a prime.

It is a super-2 number, since 2×123532102003231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123532102003231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123532102003931) 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, 10041621390 + ... + 10041633691.

It is an arithmetic number, because the mean of its divisors is an integer number (30888046316116).

Almost surely, 2^{123532102003231} is an apocalyptic number.

123532102003231 is a deficient number, since it is larger than the sum of its proper divisors (20083261233).

123532102003231 is an equidigital number, since it uses as much as digits as its factorization.

123532102003231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20083261232.

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 123532102003231 its reverse (132300201235321), we get a palindrome (255832303238552).

The spelling of 123532102003231 in words is "one hundred twenty-three trillion, five hundred thirty-two billion, one hundred two million, three thousand, two hundred thirty-one".