123354230225320 has 16 divisors (see below), whose sum is σ = 277547018007060. Its totient is φ = 49341692090112.

The previous prime is 123354230225299. The next prime is 123354230225321. The reversal of 123354230225320 is 23522032453321.

It can be written as a sum of positive squares in 2 ways, for example, as 111113566445764 + 12240663779556 = 10541042^2 + 3498666^2 .

It is a super-2 number, since 2×123354230225320² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123354230225320.

It is not an unprimeable number, because it can be changed into a prime (123354230225321) 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, 1541927877777 + ... + 1541927877856.

Almost surely, 2^{123354230225320} is an apocalyptic number.

123354230225320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123354230225320 is an abundant number, since it is smaller than the sum of its proper divisors (154192787781740).

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

123354230225320 is a wasteful number, since it uses less digits than its factorization.

123354230225320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3083855755644 (or 3083855755640 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 37.

Adding to 123354230225320 its reverse (23522032453321), we get a palindrome (146876262678641).

The spelling of 123354230225320 in words is "one hundred twenty-three trillion, three hundred fifty-four billion, two hundred thirty million, two hundred twenty-five thousand, three hundred twenty".