2030123243 has 4 divisors (see below), whose sum is σ = 2038988640. Its totient is φ = 2021257848.

The previous prime is 2030123239. The next prime is 2030123269. The reversal of 2030123243 is 3423210302.

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

It is a cyclic number.

It is not a de Polignac number, because 2030123243 - 2² = 2030123239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2030123203) 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, 4432355 + ... + 4432812.

It is an arithmetic number, because the mean of its divisors is an integer number (509747160).

Almost surely, 2^2030123243 is an apocalyptic number.

2030123243 is a deficient number, since it is larger than the sum of its proper divisors (8865397).

2030123243 is an equidigital number, since it uses as much as digits as its factorization.

2030123243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8865396.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 2030123243 is about 45056.8889627324. Note that the first 3 decimals coincide. The cubic root of 2030123243 is about 1266.2150402934.

Adding to 2030123243 its reverse (3423210302), we get a palindrome (5453333545).

The spelling of 2030123243 in words is "two billion, thirty million, one hundred twenty-three thousand, two hundred forty-three".