23288009523 has 4 divisors (see below), whose sum is σ = 31050679368. Its totient is φ = 15525339680.

The previous prime is 23288009501. The next prime is 23288009533. The reversal of 23288009523 is 32590088232.

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

It is a cyclic number.

It is not a de Polignac number, because 23288009523 - 2⁵ = 23288009491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23288009533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3881334918 + ... + 3881334923.

It is an arithmetic number, because the mean of its divisors is an integer number (7762669842).

Almost surely, 2^23288009523 is an apocalyptic number.

23288009523 is a deficient number, since it is larger than the sum of its proper divisors (7762669845).

23288009523 is an equidigital number, since it uses as much as digits as its factorization.

23288009523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7762669844.

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 23288009523 in words is "twenty-three billion, two hundred eighty-eight million, nine thousand, five hundred twenty-three".