23478481158 has 16 divisors (see below), whose sum is σ = 51225777216. Its totient is φ = 7114691240.

The previous prime is 23478481153. The next prime is 23478481177. The reversal of 23478481158 is 85118487432.

It is a happy number.

It is a super-2 number, since 2×23478481158² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23478481158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23478481153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177867216 + ... + 177867347.

It is an arithmetic number, because the mean of its divisors is an integer number (3201611076).

Almost surely, 2^23478481158 is an apocalyptic number.

23478481158 is an abundant number, since it is smaller than the sum of its proper divisors (27747296058).

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

23478481158 is a wasteful number, since it uses less digits than its factorization.

23478481158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355734579.

The product of its digits is 1720320, while the sum is 51.

The spelling of 23478481158 in words is "twenty-three billion, four hundred seventy-eight million, four hundred eighty-one thousand, one hundred fifty-eight".