123020043325 has 12 divisors (see below), whose sum is σ = 153319199220. Its totient is φ = 97916456960.

The previous prime is 123020043257. The next prime is 123020043373. The reversal of 123020043325 is 523340020321.

It can be written as a sum of positive squares in 6 ways, for example, as 818760996 + 122201282329 = 28614^2 + 349573^2 .

It is not a de Polignac number, because 123020043325 - 2¹⁵ = 123020010557 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 123020043325.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12484420 + ... + 12494269.

It is an arithmetic number, because the mean of its divisors is an integer number (12776599935).

Almost surely, 2^123020043325 is an apocalyptic number.

It is an amenable number.

123020043325 is a deficient number, since it is larger than the sum of its proper divisors (30299155895).

123020043325 is a wasteful number, since it uses less digits than its factorization.

123020043325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24978896 (or 24978891 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 123020043325 its reverse (523340020321), we get a palindrome (646360063646).

The spelling of 123020043325 in words is "one hundred twenty-three billion, twenty million, forty-three thousand, three hundred twenty-five".