23478991116 has 36 divisors (see below), whose sum is σ = 63728691768. Its totient is φ = 6708283008.

The previous prime is 23478991111. The next prime is 23478991127. The reversal of 23478991116 is 61119987432.

It is not an unprimeable number, because it can be changed into a prime (23478991111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19964541 + ... + 19965716.

It is an arithmetic number, because the mean of its divisors is an integer number (1770241438).

Almost surely, 2^23478991116 is an apocalyptic number.

It is an amenable number.

23478991116 is an abundant number, since it is smaller than the sum of its proper divisors (40249700652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23478991116 is a wasteful number, since it uses less digits than its factorization.

23478991116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39930278 (or 39930269 counting only the distinct ones).

The product of its digits is 653184, while the sum is 51.

The spelling of 23478991116 in words is "twenty-three billion, four hundred seventy-eight million, nine hundred ninety-one thousand, one hundred sixteen".