23004550040 has 32 divisors (see below), whose sum is σ = 52132626000. Its totient is φ = 9135617664.

The previous prime is 23004550039. The next prime is 23004550043. The reversal of 23004550040 is 4005540032.

It is a junction number, because it is equal to n+sod(n) for n = 23004549988 and 23004550015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23004550043) 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, 2063195 + ... + 2074314.

Almost surely, 2^23004550040 is an apocalyptic number.

23004550040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23004550040 is an abundant number, since it is smaller than the sum of its proper divisors (29128075960).

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

23004550040 is a wasteful number, since it uses less digits than its factorization.

23004550040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4137659 (or 4137655 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The spelling of 23004550040 in words is "twenty-three billion, four million, five hundred fifty thousand, forty".