245630045112123 has 64 divisors (see below), whose sum is σ = 379295939312640. Its totient is φ = 138488528535552.

The previous prime is 245630045112083. The next prime is 245630045112143. The reversal of 245630045112123 is 321211540036542.

It is not a de Polignac number, because 245630045112123 - 2¹⁷ = 245630044981051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245630045112143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15850159711 + ... + 15850175207.

It is an arithmetic number, because the mean of its divisors is an integer number (5926499051760).

Almost surely, 2^{245630045112123} is an apocalyptic number.

245630045112123 is a deficient number, since it is larger than the sum of its proper divisors (133665894200517).

245630045112123 is a wasteful number, since it uses less digits than its factorization.

245630045112123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26836.

The product of its (nonzero) digits is 172800, while the sum is 39.

Adding to 245630045112123 its reverse (321211540036542), we get a palindrome (566841585148665).

The spelling of 245630045112123 in words is "two hundred forty-five trillion, six hundred thirty billion, forty-five million, one hundred twelve thousand, one hundred twenty-three".