2023311445 has 4 divisors (see below), whose sum is σ = 2427973740. Its totient is φ = 1618649152.

The previous prime is 2023311431. The next prime is 2023311461. The reversal of 2023311445 is 5441133202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5441133202 = 2 ⋅2720566601.

It can be written as a sum of positive squares in 2 ways, for example, as 1571408881 + 451902564 = 39641^2 + 21258^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2023311445 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202331140 + ... + 202331149.

It is an arithmetic number, because the mean of its divisors is an integer number (606993435).

Almost surely, 2^2023311445 is an apocalyptic number.

It is an amenable number.

2023311445 is a deficient number, since it is larger than the sum of its proper divisors (404662295).

2023311445 is an equidigital number, since it uses as much as digits as its factorization.

2023311445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404662294.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2023311445 is about 44981.2343650105. The cubic root of 2023311445 is about 1264.7972501795.

Adding to 2023311445 its reverse (5441133202), we get a palindrome (7464444647).

The spelling of 2023311445 in words is "two billion, twenty-three million, three hundred eleven thousand, four hundred forty-five".