2320517123 has 4 divisors (see below), whose sum is σ = 2383233840. Its totient is φ = 2257800408.

The previous prime is 2320517093. The next prime is 2320517131. The reversal of 2320517123 is 3217150232.

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 2320517123 - 2²² = 2316322819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2320517092 and 2320517101.

It is not an unprimeable number, because it can be changed into a prime (2320517623) 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, 31358303 + ... + 31358376.

It is an arithmetic number, because the mean of its divisors is an integer number (595808460).

Almost surely, 2^2320517123 is an apocalyptic number.

2320517123 is a deficient number, since it is larger than the sum of its proper divisors (62716717).

2320517123 is an equidigital number, since it uses as much as digits as its factorization.

2320517123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62716716.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 2320517123 is about 48171.7461070283. The cubic root of 2320517123 is about 1323.9195412615.

Adding to 2320517123 its reverse (3217150232), we get a palindrome (5537667355).

The spelling of 2320517123 in words is "two billion, three hundred twenty million, five hundred seventeen thousand, one hundred twenty-three".