23304442240403 has 4 divisors (see below), whose sum is σ = 23306482385088. Its totient is φ = 23302402095720.

The previous prime is 23304442240363. The next prime is 23304442240459. The reversal of 23304442240403 is 30404224440332.

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 23304442240403 - 2³⁸ = 23029564333459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23304442230403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1020055208 + ... + 1020078053.

It is an arithmetic number, because the mean of its divisors is an integer number (5826620596272).

Almost surely, 2^{23304442240403} is an apocalyptic number.

23304442240403 is a deficient number, since it is larger than the sum of its proper divisors (2040144685).

23304442240403 is a wasteful number, since it uses less digits than its factorization.

23304442240403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040144684.

The product of its (nonzero) digits is 221184, while the sum is 35.

Adding to 23304442240403 its reverse (30404224440332), we get a palindrome (53708666680735).

The spelling of 23304442240403 in words is "twenty-three trillion, three hundred four billion, four hundred forty-two million, two hundred forty thousand, four hundred three".