123005304143252 has 6 divisors (see below), whose sum is σ = 215259282250698. Its totient is φ = 61502652071624.

The previous prime is 123005304143209. The next prime is 123005304143269. The reversal of 123005304143252 is 252341403500321.

It can be written as a sum of positive squares in only one way, i.e., 117016056220816 + 5989247922436 = 10817396^2 + 2447294^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15375663017903 + ... + 15375663017910.

It is an arithmetic number, because the mean of its divisors is an integer number (35876547041783).

Almost surely, 2^{123005304143252} is an apocalyptic number.

It is an amenable number.

123005304143252 is a deficient number, since it is larger than the sum of its proper divisors (92253978107446).

123005304143252 is a wasteful number, since it uses less digits than its factorization.

123005304143252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30751326035817 (or 30751326035815 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 123005304143252 its reverse (252341403500321), we get a palindrome (375346707643573).

The spelling of 123005304143252 in words is "one hundred twenty-three trillion, five billion, three hundred four million, one hundred forty-three thousand, two hundred fifty-two".