2351423523 has 4 divisors (see below), whose sum is σ = 3135231368. Its totient is φ = 1567615680.

The previous prime is 2351423483. The next prime is 2351423533. The reversal of 2351423523 is 3253241532.

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

It is a de Polignac number, because none of the positive numbers 2^k-2351423523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2351423533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391903918 + ... + 391903923.

It is an arithmetic number, because the mean of its divisors is an integer number (783807842).

Almost surely, 2^2351423523 is an apocalyptic number.

2351423523 is a deficient number, since it is larger than the sum of its proper divisors (783807845).

2351423523 is an equidigital number, since it uses as much as digits as its factorization.

2351423523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783807844.

The product of its digits is 21600, while the sum is 30.

The square root of 2351423523 is about 48491.4788700035. The cubic root of 2351423523 is about 1329.7712918208.

The spelling of 2351423523 in words is "two billion, three hundred fifty-one million, four hundred twenty-three thousand, five hundred twenty-three".