2045023100353 has 4 divisors (see below), whose sum is σ = 2045044769620. Its totient is φ = 2045001431088.

The previous prime is 2045023100327. The next prime is 2045023100359. The reversal of 2045023100353 is 3530013205402.

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

It can be written as a sum of positive squares in 2 ways, for example, as 813582352144 + 1231440748209 = 901988^2 + 1109703^2 .

It is a cyclic number.

It is not a de Polignac number, because 2045023100353 - 2³³ = 2036433165761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2045023100359) 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, 10692450 + ... + 10882027.

It is an arithmetic number, because the mean of its divisors is an integer number (511261192405).

Almost surely, 2^{2045023100353} is an apocalyptic number.

It is an amenable number.

2045023100353 is a deficient number, since it is larger than the sum of its proper divisors (21669267).

2045023100353 is an equidigital number, since it uses as much as digits as its factorization.

2045023100353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21669266.

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 2045023100353 its reverse (3530013205402), we get a palindrome (5575036305755).

The spelling of 2045023100353 in words is "two trillion, forty-five billion, twenty-three million, one hundred thousand, three hundred fifty-three".