23210004 has 12 divisors (see below), whose sum is σ = 54156704. Its totient is φ = 7736664.

The previous prime is 23210003. The next prime is 23210017. The reversal of 23210004 is 40001232.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 1934167 = 23210004 / (2 + 3 + 2 + 1 + 0 + 0 + 0 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23210003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 967072 + ... + 967095.

Almost surely, 2^23210004 is an apocalyptic number.

It is an amenable number.

23210004 is an abundant number, since it is smaller than the sum of its proper divisors (30946700).

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

23210004 is a wasteful number, since it uses less digits than its factorization.

23210004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934174 (or 1934172 counting only the distinct ones).

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

The square root of 23210004 is about 4817.6762033163. The cubic root of 23210004 is about 285.2496181802.

Adding to 23210004 its reverse (40001232), we get a palindrome (63211236).

The spelling of 23210004 in words is "twenty-three million, two hundred ten thousand, four".