2345523 has 8 divisors (see below), whose sum is σ = 3158736. Its totient is φ = 1548000.

The previous prime is 2345509. The next prime is 2345533. The reversal of 2345523 is 3255432.

2345523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2345523 - 2⁶ = 2345459 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2345493 and 2345502.

It is not an unprimeable number, because it can be changed into a prime (2345533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3568 + ... + 4173.

It is an arithmetic number, because the mean of its divisors is an integer number (394842).

2^2345523 is an apocalyptic number.

2345523 is a deficient number, since it is larger than the sum of its proper divisors (813213).

2345523 is a wasteful number, since it uses less digits than its factorization.

2345523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7845.

The product of its digits is 3600, while the sum is 24.

The square root of 2345523 is about 1531.5100391444. The cubic root of 2345523 is about 132.8658077034.

Subtracting 2345523 from its reverse (3255432), we obtain a palindrome (909909).

The spelling of 2345523 in words is "two million, three hundred forty-five thousand, five hundred twenty-three".