23021155300 has 72 divisors (see below), whose sum is σ = 58689493632. Its totient is φ = 7727376000.

The previous prime is 23021155273. The next prime is 23021155343. The reversal of 23021155300 is 355112032.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 790636 + ... + 819235.

It is an arithmetic number, because the mean of its divisors is an integer number (815131856).

Almost surely, 2^23021155300 is an apocalyptic number.

23021155300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23021155300 is an abundant number, since it is smaller than the sum of its proper divisors (35668338332).

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

23021155300 is a wasteful number, since it uses less digits than its factorization.

23021155300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1609909 (or 1609902 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

Adding to 23021155300 its reverse (355112032), we get a palindrome (23376267332).

The spelling of 23021155300 in words is "twenty-three billion, twenty-one million, one hundred fifty-five thousand, three hundred".