2023143505 has 8 divisors (see below), whose sum is σ = 2429663400. Its totient is φ = 1617254016.

The previous prime is 2023143467. The next prime is 2023143517. The reversal of 2023143505 is 5053413202.

It can be written as a sum of positive squares in 4 ways, for example, as 881852416 + 1141291089 = 29696^2 + 33783^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2023143505 - 2⁹ = 2023142993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2023143505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150510 + ... + 163399.

It is an arithmetic number, because the mean of its divisors is an integer number (303707925).

Almost surely, 2^2023143505 is an apocalyptic number.

It is an amenable number.

2023143505 is a deficient number, since it is larger than the sum of its proper divisors (406519895).

2023143505 is a wasteful number, since it uses less digits than its factorization.

2023143505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315203.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2023143505 is about 44979.3675477991. The cubic root of 2023143505 is about 1264.7622554142.

Adding to 2023143505 its reverse (5053413202), we get a palindrome (7076556707).

It can be divided in two parts, 20231 and 43505, that added together give a palindrome (63736).

The spelling of 2023143505 in words is "two billion, twenty-three million, one hundred forty-three thousand, five hundred five".