23007136 has 12 divisors (see below), whose sum is σ = 45295362. Its totient is φ = 11503552.

The previous prime is 23007079. The next prime is 23007143. The reversal of 23007136 is 63170032.

It can be written as a sum of positive squares in only one way, i.e., 20757136 + 2250000 = 4556^2 + 1500^2 .

It is a zygodrome in base 4.

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 as a sum of consecutive naturals, namely, 359455 + ... + 359518.

Almost surely, 2^23007136 is an apocalyptic number.

It is an amenable number.

23007136 is a deficient number, since it is larger than the sum of its proper divisors (22288226).

23007136 is an equidigital number, since it uses as much as digits as its factorization.

23007136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718983 (or 718975 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 23007136 is about 4796.5754450441. The cubic root of 23007136 is about 284.4161062987.

Adding to 23007136 its reverse (63170032), we get a palindrome (86177168).

The spelling of 23007136 in words is "twenty-three million, seven thousand, one hundred thirty-six".