245505301723 has 8 divisors (see below), whose sum is σ = 268618699440. Its totient is φ = 222524359680.

The previous prime is 245505301693. The next prime is 245505301751. The reversal of 245505301723 is 327103505542.

It is a happy number.

245505301723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245505301723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245505302723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33110038 + ... + 33117451.

It is an arithmetic number, because the mean of its divisors is an integer number (33577337430).

Almost surely, 2^245505301723 is an apocalyptic number.

245505301723 is a deficient number, since it is larger than the sum of its proper divisors (23113397717).

245505301723 is a wasteful number, since it uses less digits than its factorization.

245505301723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66227837.

The product of its (nonzero) digits is 126000, while the sum is 37.

The spelling of 245505301723 in words is "two hundred forty-five billion, five hundred five million, three hundred one thousand, seven hundred twenty-three".