245123322405 has 64 divisors (see below), whose sum is σ = 470748983040. Its totient is φ = 107599712256.

The previous prime is 245123322401. The next prime is 245123322407. The reversal of 245123322405 is 504223321542.

It is not a de Polignac number, because 245123322405 - 2² = 245123322401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245123322401) 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 63 ways as a sum of consecutive naturals, for example, 1882902 + ... + 2008871.

It is an arithmetic number, because the mean of its divisors is an integer number (7355452860).

Almost surely, 2^245123322405 is an apocalyptic number.

It is an amenable number.

245123322405 is a deficient number, since it is larger than the sum of its proper divisors (225625660635).

245123322405 is a wasteful number, since it uses less digits than its factorization.

245123322405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3891830.

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 245123322405 its reverse (504223321542), we get a palindrome (749346643947).

The spelling of 245123322405 in words is "two hundred forty-five billion, one hundred twenty-three million, three hundred twenty-two thousand, four hundred five".