245354044344123 has 128 divisors (see below), whose sum is σ = 404547056169984. Its totient is φ = 130228920115200.

The previous prime is 245354044344121. The next prime is 245354044344127. The reversal of 245354044344123 is 321443440453542.

It is not a de Polignac number, because 245354044344123 - 2¹ = 245354044344121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245354044344121) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1319064415 + ... + 1319250407.

It is an arithmetic number, because the mean of its divisors is an integer number (3160523876328).

Almost surely, 2^{245354044344123} is an apocalyptic number.

245354044344123 is a deficient number, since it is larger than the sum of its proper divisors (159193011825861).

245354044344123 is a wasteful number, since it uses less digits than its factorization.

245354044344123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188125.

The product of its (nonzero) digits is 11059200, while the sum is 48.

Adding to 245354044344123 its reverse (321443440453542), we get a palindrome (566797484797665).

The spelling of 245354044344123 in words is "two hundred forty-five trillion, three hundred fifty-four billion, forty-four million, three hundred forty-four thousand, one hundred twenty-three".