23203405705512 has 32 divisors (see below), whose sum is σ = 59242737974400. Its totient is φ = 7569905407104.

The previous prime is 23203405705511. The next prime is 23203405705517. The reversal of 23203405705512 is 21550750430232.

It is a super-3 number, since 3×23203405705512³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (23203405705511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10285196437 + ... + 10285198692.

It is an arithmetic number, because the mean of its divisors is an integer number (1851335561700).

Almost surely, 2^{23203405705512} is an apocalyptic number.

It is an amenable number.

23203405705512 is an abundant number, since it is smaller than the sum of its proper divisors (36039332268888).

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

23203405705512 is a wasteful number, since it uses less digits than its factorization.

23203405705512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20570395185 (or 20570395181 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 39.

The spelling of 23203405705512 in words is "twenty-three trillion, two hundred three billion, four hundred five million, seven hundred five thousand, five hundred twelve".