245789258123 has 2 divisors, whose sum is σ = 245789258124. Its totient is φ = 245789258122.

The previous prime is 245789258107. The next prime is 245789258167. The reversal of 245789258123 is 321852987542.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245789258123 - 2⁴ = 245789258107 is a prime.

It is not a weakly prime, because it can be changed into another prime (245789558123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122894629061 + 122894629062.

It is an arithmetic number, because the mean of its divisors is an integer number (122894629062).

Almost surely, 2^245789258123 is an apocalyptic number.

245789258123 is a deficient number, since it is larger than the sum of its proper divisors (1).

245789258123 is an equidigital number, since it uses as much as digits as its factorization.

245789258123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9676800, while the sum is 56.

The spelling of 245789258123 in words is "two hundred forty-five billion, seven hundred eighty-nine million, two hundred fifty-eight thousand, one hundred twenty-three".