23269649 has 4 divisors (see below), whose sum is σ = 25059636. Its totient is φ = 21479664.

The previous prime is 23269643. The next prime is 23269663. The reversal of 23269649 is 94696232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4129024 + 19140625 = 2032^2 + 4375^2 .

It is a cyclic number.

It is not a de Polignac number, because 23269649 - 2¹² = 23265553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23269643) 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, 894974 + ... + 894999.

It is an arithmetic number, because the mean of its divisors is an integer number (6264909).

Almost surely, 2^23269649 is an apocalyptic number.

It is an amenable number.

23269649 is a deficient number, since it is larger than the sum of its proper divisors (1789987).

23269649 is a wasteful number, since it uses less digits than its factorization.

23269649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1789986.

The product of its digits is 139968, while the sum is 41.

The square root of 23269649 is about 4823.8624565798. The cubic root of 23269649 is about 285.4937537164.

The spelling of 23269649 in words is "twenty-three million, two hundred sixty-nine thousand, six hundred forty-nine".