23212000 has 96 divisors (see below), whose sum is σ = 65257920. Its totient is φ = 7948800.

The previous prime is 23211997. The next prime is 23212009. The reversal of 23212000 is 21232.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23212009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27586 + ... + 28414.

It is an arithmetic number, because the mean of its divisors is an integer number (679770).

Almost surely, 2^23212000 is an apocalyptic number.

23212000 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 23212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32628960).

23212000 is an abundant number, since it is smaller than the sum of its proper divisors (42045920).

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

23212000 is an equidigital number, since it uses as much as digits as its factorization.

23212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861 (or 843 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 23212000 is about 4817.8833526768. The cubic root of 23212000 is about 285.2577948543.

Adding to 23212000 its reverse (21232), we get a palindrome (23233232).

The spelling of 23212000 in words is "twenty-three million, two hundred twelve thousand".