23212002 has 32 divisors (see below), whose sum is σ = 51828480. Its totient is φ = 6869520.

The previous prime is 23211997. The next prime is 23212009. The reversal of 23212002 is 20021232.

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

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 15 ways as a sum of consecutive naturals, for example, 1252 + ... + 6927.

It is an arithmetic number, because the mean of its divisors is an integer number (1619640).

Almost surely, 2^23212002 is an apocalyptic number.

23212002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23212002 is an abundant number, since it is smaller than the sum of its proper divisors (28616478).

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

23212002 is a wasteful number, since it uses less digits than its factorization.

23212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8238.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 23212002 is about 4817.8835602368. The cubic root of 23212002 is about 285.2578030471.

Adding to 23212002 its reverse (20021232), we get a palindrome (43233234).

The spelling of 23212002 in words is "twenty-three million, two hundred twelve thousand, two".