23513516422 has 12 divisors (see below), whose sum is σ = 38768153508. Its totient is φ = 10687961900.

The previous prime is 23513516413. The next prime is 23513516447. The reversal of 23513516422 is 22461531532.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 48581404 + ... + 48581887.

It is an arithmetic number, because the mean of its divisors is an integer number (3230679459).

Almost surely, 2^23513516422 is an apocalyptic number.

23513516422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23513516422 is a deficient number, since it is larger than the sum of its proper divisors (15254637086).

23513516422 is a wasteful number, since it uses less digits than its factorization.

23513516422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97163315 (or 97163304 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

It can be divided in two parts, 23513 and 516422, that added together give a palindrome (539935).

The spelling of 23513516422 in words is "twenty-three billion, five hundred thirteen million, five hundred sixteen thousand, four hundred twenty-two".