23004136 has 16 divisors (see below), whose sum is σ = 45403200. Its totient is φ = 10896624.

The previous prime is 23004127. The next prime is 23004143. The reversal of 23004136 is 63140032.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 75520 + ... + 75823.

It is an arithmetic number, because the mean of its divisors is an integer number (2837700).

Almost surely, 2^23004136 is an apocalyptic number.

It is an amenable number.

23004136 is a deficient number, since it is larger than the sum of its proper divisors (22399064).

23004136 is a wasteful number, since it uses less digits than its factorization.

23004136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151368 (or 151364 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 23004136 is about 4796.2627117371. The cubic root of 23004136 is about 284.4037436791.

Adding to 23004136 its reverse (63140032), we get a palindrome (86144168).

The spelling of 23004136 in words is "twenty-three million, four thousand, one hundred thirty-six".