28625320224123 has 32 divisors (see below), whose sum is σ = 44110422074880. Its totient is φ = 16173249903360.

The previous prime is 28625320224097. The next prime is 28625320224131. The reversal of 28625320224123 is 32142202352682.

It is not a de Polignac number, because 28625320224123 - 2⁸ = 28625320223867 is a prime.

It is a super-2 number, since 2×28625320224123² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28625320234123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150566961 + ... + 150756957.

It is an arithmetic number, because the mean of its divisors is an integer number (1378450689840).

Almost surely, 2^{28625320224123} is an apocalyptic number.

28625320224123 is a deficient number, since it is larger than the sum of its proper divisors (15485101850757).

28625320224123 is a wasteful number, since it uses less digits than its factorization.

28625320224123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270707.

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 28625320224123 in words is "twenty-eight trillion, six hundred twenty-five billion, three hundred twenty million, two hundred twenty-four thousand, one hundred twenty-three".