23285030940 has 72 divisors (see below), whose sum is σ = 70707152880. Its totient is φ = 6202669824.

The previous prime is 23285030939. The next prime is 23285030947. The reversal of 23285030940 is 4903058232.

23285030940 is a `hidden beast` number, since 232 + 85 + 0 + 309 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 23285030895 and 23285030904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23285030947) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 99631 + ... + 237689.

It is an arithmetic number, because the mean of its divisors is an integer number (982043790).

Almost surely, 2^23285030940 is an apocalyptic number.

23285030940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23285030940 is an abundant number, since it is smaller than the sum of its proper divisors (47422121940).

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

23285030940 is a wasteful number, since it uses less digits than its factorization.

23285030940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139011 (or 139006 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 23285030940 in words is "twenty-three billion, two hundred eighty-five million, thirty thousand, nine hundred forty".