23313403511 has 4 divisors (see below), whose sum is σ = 23313871152. Its totient is φ = 23312935872.

The previous prime is 23313403507. The next prime is 23313403513. The reversal of 23313403511 is 11530431332.

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 23313403511 - 2² = 23313403507 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23313403513) 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, 148715 + ... + 262188.

It is an arithmetic number, because the mean of its divisors is an integer number (5828467788).

Almost surely, 2^23313403511 is an apocalyptic number.

23313403511 is a deficient number, since it is larger than the sum of its proper divisors (467641).

23313403511 is an equidigital number, since it uses as much as digits as its factorization.

23313403511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467640.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 23313403511 its reverse (11530431332), we get a palindrome (34843834843).

The spelling of 23313403511 in words is "twenty-three billion, three hundred thirteen million, four hundred three thousand, five hundred eleven".