23223543020 has 24 divisors (see below), whose sum is σ = 49568941968. Its totient is φ = 9137131200.

The previous prime is 23223543017. The next prime is 23223543029. The reversal of 23223543020 is 2034532232.

It is not an unprimeable number, because it can be changed into a prime (23223543029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9516626 + ... + 9519065.

It is an arithmetic number, because the mean of its divisors is an integer number (2065372582).

Almost surely, 2^23223543020 is an apocalyptic number.

23223543020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23223543020 is an abundant number, since it is smaller than the sum of its proper divisors (26345398948).

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

23223543020 is a wasteful number, since it uses less digits than its factorization.

23223543020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19035761 (or 19035759 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 26.

The spelling of 23223543020 in words is "twenty-three billion, two hundred twenty-three million, five hundred forty-three thousand, twenty".