2005123350245 has 16 divisors (see below), whose sum is σ = 2484203381760. Its totient is φ = 1552080009600.

The previous prime is 2005123350229. The next prime is 2005123350253. The reversal of 2005123350245 is 5420533215002.

It is not a de Polignac number, because 2005123350245 - 2⁴ = 2005123350229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255161 + ... + 2018750.

It is an arithmetic number, because the mean of its divisors is an integer number (155262711360).

Almost surely, 2^{2005123350245} is an apocalyptic number.

It is an amenable number.

2005123350245 is a deficient number, since it is larger than the sum of its proper divisors (479080031515).

2005123350245 is a wasteful number, since it uses less digits than its factorization.

2005123350245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2279636.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 2005123350245 its reverse (5420533215002), we get a palindrome (7425656565247).

The spelling of 2005123350245 in words is "two trillion, five billion, one hundred twenty-three million, three hundred fifty thousand, two hundred forty-five".