23421066 has 8 divisors (see below), whose sum is σ = 46842144. Its totient is φ = 7807020.

The previous prime is 23421059. The next prime is 23421113. The reversal of 23421066 is 66012432.

It is a sphenic number, since it is the product of 3 distinct primes.

23421066 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1951750 + ... + 1951761.

It is an arithmetic number, because the mean of its divisors is an integer number (5855268).

Almost surely, 2^23421066 is an apocalyptic number.

23421066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

23421066 is a wasteful number, since it uses less digits than its factorization.

23421066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3903516.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 23421066 is about 4839.5315889040. The cubic root of 23421066 is about 286.1116570560. Note that the first 3 decimals are identical.

Adding to 23421066 its reverse (66012432), we get a palindrome (89433498).

The spelling of 23421066 in words is "twenty-three million, four hundred twenty-one thousand, sixty-six".