23040500240 has 40 divisors (see below), whose sum is σ = 55898261568. Its totient is φ = 8815495040.

The previous prime is 23040500239. The next prime is 23040500257. The reversal of 23040500240 is 4200504032.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6259166 + ... + 6262845.

Almost surely, 2^23040500240 is an apocalyptic number.

23040500240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23040500240 is an abundant number, since it is smaller than the sum of its proper divisors (32857761328).

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

23040500240 is a wasteful number, since it uses less digits than its factorization.

23040500240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12522047 (or 12522041 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The spelling of 23040500240 in words is "twenty-three billion, forty million, five hundred thousand, two hundred forty".