23029900 has 144 divisors (see below), whose sum is σ = 59996160. Its totient is φ = 7603200.

The previous prime is 23029889. The next prime is 23029913. The reversal of 23029900 is 992032.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 742885 + ... + 742915.

It is an arithmetic number, because the mean of its divisors is an integer number (416640).

Almost surely, 2^23029900 is an apocalyptic number.

23029900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23029900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29998080).

23029900 is an abundant number, since it is smaller than the sum of its proper divisors (36966260).

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

23029900 is a wasteful number, since it uses less digits than its factorization.

23029900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 23029900 is about 4798.9478013415. The cubic root of 23029900 is about 284.5098788580.

The spelling of 23029900 in words is "twenty-three million, twenty-nine thousand, nine hundred".