23421034 has 48 divisors (see below), whose sum is σ = 45852480. Its totient is φ = 8760960.

The previous prime is 23421031. The next prime is 23421049. The reversal of 23421034 is 43012432.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (23421031) 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 23 ways as a sum of consecutive naturals, for example, 44694 + ... + 45214.

It is an arithmetic number, because the mean of its divisors is an integer number (955260).

Almost surely, 2^23421034 is an apocalyptic number.

23421034 is a deficient number, since it is larger than the sum of its proper divisors (22431446).

23421034 is a wasteful number, since it uses less digits than its factorization.

23421034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575 (or 562 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 23421034 is about 4839.5282827978. The cubic root of 23421034 is about 286.1115267520. Note that the first 3 decimals are identical.

Adding to 23421034 its reverse (43012432), we get a palindrome (66433466).

The spelling of 23421034 in words is "twenty-three million, four hundred twenty-one thousand, thirty-four".