245370395123 has 4 divisors (see below), whose sum is σ = 280423308720. Its totient is φ = 210317481528.

The previous prime is 245370395119. The next prime is 245370395129. The reversal of 245370395123 is 321593073542.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 245370395123 - 2² = 245370395119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245370395129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17526456788 + ... + 17526456801.

It is an arithmetic number, because the mean of its divisors is an integer number (70105827180).

Almost surely, 2^245370395123 is an apocalyptic number.

245370395123 is a deficient number, since it is larger than the sum of its proper divisors (35052913597).

245370395123 is an equidigital number, since it uses as much as digits as its factorization.

245370395123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35052913596.

The product of its (nonzero) digits is 680400, while the sum is 44.

The spelling of 245370395123 in words is "two hundred forty-five billion, three hundred seventy million, three hundred ninety-five thousand, one hundred twenty-three".