23405424334 has 4 divisors (see below), whose sum is σ = 35108136504. Its totient is φ = 11702712166.

The previous prime is 23405424331. The next prime is 23405424347. The reversal of 23405424334 is 43342450432.

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

It is a self number, because there is not a number n which added to its sum of digits gives 23405424334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23405424331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5851356082 + ... + 5851356085.

It is an arithmetic number, because the mean of its divisors is an integer number (8777034126).

Almost surely, 2^23405424334 is an apocalyptic number.

23405424334 is a deficient number, since it is larger than the sum of its proper divisors (11702712170).

23405424334 is a wasteful number, since it uses less digits than its factorization.

23405424334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11702712169.

The product of its (nonzero) digits is 138240, while the sum is 34.

Adding to 23405424334 its reverse (43342450432), we get a palindrome (66747874766).

The spelling of 23405424334 in words is "twenty-three billion, four hundred five million, four hundred twenty-four thousand, three hundred thirty-four".