123241432135040 has 32 divisors (see below), whose sum is σ = 294624048699360. Its totient is φ = 49296572853760.

The previous prime is 123241432135039. The next prime is 123241432135043. The reversal of 123241432135040 is 40531234142321.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123241432135043) 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, 96282368216 + ... + 96282369495.

It is an arithmetic number, because the mean of its divisors is an integer number (9207001521855).

Almost surely, 2^{123241432135040} is an apocalyptic number.

123241432135040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123241432135040 is an abundant number, since it is smaller than the sum of its proper divisors (171382616564320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123241432135040 is an equidigital number, since it uses as much as digits as its factorization.

123241432135040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192564737730 (or 192564737718 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 123241432135040 its reverse (40531234142321), we get a palindrome (163772666277361).

The spelling of 123241432135040 in words is "one hundred twenty-three trillion, two hundred forty-one billion, four hundred thirty-two million, one hundred thirty-five thousand, forty".