23355002000 has 80 divisors (see below), whose sum is σ = 61606306944. Its totient is φ = 8492720000.

The previous prime is 23355001961. The next prime is 23355002009. The reversal of 23355002000 is 20055332.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×23355002000² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (23355002009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 508796 + ... + 552795.

Almost surely, 2^23355002000 is an apocalyptic number.

23355002000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23355002000 is an abundant number, since it is smaller than the sum of its proper divisors (38251304944).

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

23355002000 is a wasteful number, since it uses less digits than its factorization.

23355002000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061625 (or 1061609 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 20.

Adding to 23355002000 its reverse (20055332), we get a palindrome (23375057332).

The spelling of 23355002000 in words is "twenty-three billion, three hundred fifty-five million, two thousand".