123241365440 has 28 divisors (see below), whose sum is σ = 293468502216. Its totient is φ = 49296546048.

The previous prime is 123241365437. The next prime is 123241365463. The reversal of 123241365440 is 44563142321.

It is a self number, because there is not a number n which added to its sum of digits gives 123241365440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192564314 + ... + 192564953.

Almost surely, 2^123241365440 is an apocalyptic number.

123241365440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123241365440 is an abundant number, since it is smaller than the sum of its proper divisors (170227136776).

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

123241365440 is an equidigital number, since it uses as much as digits as its factorization.

123241365440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385129284 (or 385129274 counting only the distinct ones).

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

The spelling of 123241365440 in words is "one hundred twenty-three billion, two hundred forty-one million, three hundred sixty-five thousand, four hundred forty".