23418315434 has 4 divisors (see below), whose sum is σ = 35127473154. Its totient is φ = 11709157716.

The previous prime is 23418315397. The next prime is 23418315449. The reversal of 23418315434 is 43451381432.

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

It can be written as a sum of positive squares in only one way, i.e., 22887151225 + 531164209 = 151285^2 + 23047^2 .

It is an unprimeable number.

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, 5854578857 + ... + 5854578860.

Almost surely, 2^23418315434 is an apocalyptic number.

23418315434 is a deficient number, since it is larger than the sum of its proper divisors (11709157720).

23418315434 is a wasteful number, since it uses less digits than its factorization.

23418315434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11709157719.

The product of its digits is 138240, while the sum is 38.

Adding to 23418315434 its reverse (43451381432), we get a palindrome (66869696866).

The spelling of 23418315434 in words is "twenty-three billion, four hundred eighteen million, three hundred fifteen thousand, four hundred thirty-four".