23011500040 has 64 divisors (see below), whose sum is σ = 52495632000. Its totient is φ = 9077529600.

The previous prime is 23011500037. The next prime is 23011500041. The reversal of 23011500040 is 4000511032.

It is a junction number, because it is equal to n+sod(n) for n = 23011499987 and 23011500023.

It is not an unprimeable number, because it can be changed into a prime (23011500041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 825856 + ... + 853264.

It is an arithmetic number, because the mean of its divisors is an integer number (820244250).

Almost surely, 2^23011500040 is an apocalyptic number.

23011500040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23011500040 is an abundant number, since it is smaller than the sum of its proper divisors (29484131960).

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

23011500040 is a wasteful number, since it uses less digits than its factorization.

23011500040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27710 (or 27706 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The spelling of 23011500040 in words is "twenty-three billion, eleven million, five hundred thousand, forty".