2311325623 has 4 divisors (see below), whose sum is σ = 2432974360. Its totient is φ = 2189676888.

The previous prime is 2311325609. The next prime is 2311325629. The reversal of 2311325623 is 3265231132.

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

It is not a de Polignac number, because 2311325623 - 2²⁹ = 1774454711 is a prime.

It is a super-2 number, since 2×2311325623² = 10684452271072676258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2311325591 and 2311325600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311325629) 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, 60824340 + ... + 60824377.

It is an arithmetic number, because the mean of its divisors is an integer number (608243590).

Almost surely, 2^2311325623 is an apocalyptic number.

2311325623 is a deficient number, since it is larger than the sum of its proper divisors (121648737).

2311325623 is a wasteful number, since it uses less digits than its factorization.

2311325623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121648736.

The product of its digits is 6480, while the sum is 28.

The square root of 2311325623 is about 48076.2480129221. The cubic root of 2311325623 is about 1322.1692261337.

Adding to 2311325623 its reverse (3265231132), we get a palindrome (5576556755).

The spelling of 2311325623 in words is "two billion, three hundred eleven million, three hundred twenty-five thousand, six hundred twenty-three".