23300021000 has 64 divisors (see below), whose sum is σ = 56402190000. Its totient is φ = 8998617600.

The previous prime is 23300020999. The next prime is 23300021023. The reversal of 23300021000 is 12000332.

It can be written as a sum of positive squares in 8 ways, for example, as 8988004 + 23291032996 = 2998^2 + 152614^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 372725 + ... + 430724.

Almost surely, 2^23300021000 is an apocalyptic number.

23300021000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23300021000 is an abundant number, since it is smaller than the sum of its proper divisors (33102169000).

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

23300021000 is a wasteful number, since it uses less digits than its factorization.

23300021000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803499 (or 803485 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

Adding to 23300021000 its reverse (12000332), we get a palindrome (23312021332).

The spelling of 23300021000 in words is "twenty-three billion, three hundred million, twenty-one thousand".