23007649 has 4 divisors (see below), whose sum is σ = 26294464. Its totient is φ = 19720836.

The previous prime is 23007637. The next prime is 23007653. The reversal of 23007649 is 94670032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23007649 - 2²¹ = 20910497 is a prime.

It is a super-3 number, since 3×23007649³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23007649.

It is not an unprimeable number, because it can be changed into a prime (23007619) 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, 1643397 + ... + 1643410.

It is an arithmetic number, because the mean of its divisors is an integer number (6573616).

Almost surely, 2^23007649 is an apocalyptic number.

It is an amenable number.

23007649 is a deficient number, since it is larger than the sum of its proper divisors (3286815).

23007649 is an equidigital number, since it uses as much as digits as its factorization.

23007649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3286814.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 23007649 is about 4796.6289203982. The cubic root of 23007649 is about 284.4182201990.

The spelling of 23007649 in words is "twenty-three million, seven thousand, six hundred forty-nine".