23309216040 has 64 divisors (see below), whose sum is σ = 76284711360. Its totient is φ = 5650718720.

The previous prime is 23309216039. The next prime is 23309216053. The reversal of 23309216040 is 4061290332.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 23309215989 and 23309216007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8827929 + ... + 8830568.

It is an arithmetic number, because the mean of its divisors is an integer number (1191948615).

Almost surely, 2^23309216040 is an apocalyptic number.

23309216040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23309216040 is an abundant number, since it is smaller than the sum of its proper divisors (52975495320).

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

23309216040 is a wasteful number, since it uses less digits than its factorization.

23309216040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17658522 (or 17658518 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The spelling of 23309216040 in words is "twenty-three billion, three hundred nine million, two hundred sixteen thousand, forty".