11523402303 has 32 divisors (see below), whose sum is σ = 17699856384. Its totient is φ = 6532317792.

The previous prime is 11523402301. The next prime is 11523402307. The reversal of 11523402303 is 30320432511.

It is not a de Polignac number, because 11523402303 - 2¹ = 11523402301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11523402301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1915326 + ... + 1921332.

It is an arithmetic number, because the mean of its divisors is an integer number (553120512).

Almost surely, 2^11523402303 is an apocalyptic number.

11523402303 is a deficient number, since it is larger than the sum of its proper divisors (6176454081).

11523402303 is a wasteful number, since it uses less digits than its factorization.

11523402303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6731.

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 11523402303 its reverse (30320432511), we get a palindrome (41843834814).

The spelling of 11523402303 in words is "eleven billion, five hundred twenty-three million, four hundred two thousand, three hundred three".