23011213200 has 120 divisors (see below), whose sum is σ = 76090534656. Its totient is φ = 5938368000.

The previous prime is 23011213187. The next prime is 23011213289. The reversal of 23011213200 is 231211032.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 23011213200.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 272091 + ... + 346490.

Almost surely, 2^23011213200 is an apocalyptic number.

23011213200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23011213200 is an abundant number, since it is smaller than the sum of its proper divisors (53079321456).

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

23011213200 is a wasteful number, since it uses less digits than its factorization.

23011213200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618633 (or 618622 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 23011213200 its reverse (231211032), we get a palindrome (23242424232).

The spelling of 23011213200 in words is "twenty-three billion, eleven million, two hundred thirteen thousand, two hundred".