123301402515272 has 32 divisors (see below), whose sum is σ = 231481342857600. Its totient is φ = 61573083854784.

The previous prime is 123301402515271. The next prime is 123301402515281. The reversal of 123301402515272 is 272515204103321.

It is not an unprimeable number, because it can be changed into a prime (123301402515271) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 22570979 + ... + 27496397.

It is an arithmetic number, because the mean of its divisors is an integer number (7233791964300).

Almost surely, 2^{123301402515272} is an apocalyptic number.

It is an amenable number.

123301402515272 is a deficient number, since it is larger than the sum of its proper divisors (108179940342328).

123301402515272 is a wasteful number, since it uses less digits than its factorization.

123301402515272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4929365 (or 4929361 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

Adding to 123301402515272 its reverse (272515204103321), we get a palindrome (395816606618593).

The spelling of 123301402515272 in words is "one hundred twenty-three trillion, three hundred one billion, four hundred two million, five hundred fifteen thousand, two hundred seventy-two".