123014320440 has 64 divisors (see below), whose sum is σ = 402592325760. Its totient is φ = 29821653120.

The previous prime is 123014320427. The next prime is 123014320459. The reversal of 123014320440 is 44023410321.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 123014320440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46595014 + ... + 46597653.

It is an arithmetic number, because the mean of its divisors is an integer number (6290505090).

Almost surely, 2^123014320440 is an apocalyptic number.

123014320440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123014320440 is an abundant number, since it is smaller than the sum of its proper divisors (279578005320).

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

123014320440 is a wasteful number, since it uses less digits than its factorization.

123014320440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93192692 (or 93192688 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 123014320440 its reverse (44023410321), we get a palindrome (167037730761).

The spelling of 123014320440 in words is "one hundred twenty-three billion, fourteen million, three hundred twenty thousand, four hundred forty".