23909730012 has 120 divisors (see below), whose sum is σ = 71862895104. Its totient is φ = 6790337568.

The previous prime is 23909730001. The next prime is 23909730037. The reversal of 23909730012 is 21003790932.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 347193 + ... + 410319.

Almost surely, 2^23909730012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23909730012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35931447552).

23909730012 is an abundant number, since it is smaller than the sum of its proper divisors (47953165092).

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

23909730012 is a wasteful number, since it uses less digits than its factorization.

23909730012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63317 (or 63306 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The spelling of 23909730012 in words is "twenty-three billion, nine hundred nine million, seven hundred thirty thousand, twelve".