20233540315 has 4 divisors (see below), whose sum is σ = 24280248384. Its totient is φ = 16186832248.

The previous prime is 20233540309. The next prime is 20233540331. The reversal of 20233540315 is 51304533202.

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 20233540315 - 2²³ = 20225151707 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2023354027 + ... + 2023354036.

It is an arithmetic number, because the mean of its divisors is an integer number (6070062096).

Almost surely, 2^20233540315 is an apocalyptic number.

20233540315 is a deficient number, since it is larger than the sum of its proper divisors (4046708069).

20233540315 is an equidigital number, since it uses as much as digits as its factorization.

20233540315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4046708068.

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

The spelling of 20233540315 in words is "twenty billion, two hundred thirty-three million, five hundred forty thousand, three hundred fifteen".