2243451523 has 8 divisors (see below), whose sum is σ = 2249205840. Its totient is φ = 2237706240.

The previous prime is 2243451503. The next prime is 2243451527. The reversal of 2243451523 is 3251543422.

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

It is a cyclic number.

It is not a de Polignac number, because 2243451523 - 2¹⁷ = 2243320451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2243451527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 832963 + ... + 835651.

It is an arithmetic number, because the mean of its divisors is an integer number (281150730).

Almost surely, 2^2243451523 is an apocalyptic number.

2243451523 is a deficient number, since it is larger than the sum of its proper divisors (5754317).

2243451523 is an equidigital number, since it uses as much as digits as its factorization.

2243451523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4517.

The product of its digits is 28800, while the sum is 31.

The square root of 2243451523 is about 47365.0875962454. The cubic root of 2243451523 is about 1309.0982125705.

Adding to 2243451523 its reverse (3251543422), we get a palindrome (5494994945).

The spelling of 2243451523 in words is "two billion, two hundred forty-three million, four hundred fifty-one thousand, five hundred twenty-three".