23000004 has 48 divisors (see below), whose sum is σ = 60023040. Its totient is φ = 7616160.

The previous prime is 22999993. The next prime is 23000009. The reversal of 23000004 is 40000032.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a self number, because there is not a number n which added to its sum of digits gives 23000004.

It is not an unprimeable number, because it can be changed into a prime (23000009) 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, 18069 + ... + 19299.

It is an arithmetic number, because the mean of its divisors is an integer number (1250480).

Almost surely, 2^23000004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23000004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30011520).

23000004 is an abundant number, since it is smaller than the sum of its proper divisors (37023036).

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

23000004 is a wasteful number, since it uses less digits than its factorization.

23000004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417 (or 1409 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 23000004 is about 4795.8319403415. The cubic root of 23000004 is about 284.3867144713.

Adding to 23000004 its reverse (40000032), we get a palindrome (63000036).

The spelling of 23000004 in words is "twenty-three million, four", and thus it is an aban number.