23669572 has 6 divisors (see below), whose sum is σ = 41421758. Its totient is φ = 11834784.

The previous prime is 23669543. The next prime is 23669609. The reversal of 23669572 is 27596632.

23669572 is nontrivially palindromic in base 3.

It can be written as a sum of positive squares in only one way, i.e., 17842176 + 5827396 = 4224^2 + 2414^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2958693 + ... + 2958700.

Almost surely, 2^23669572 is an apocalyptic number.

It is an amenable number.

23669572 is a deficient number, since it is larger than the sum of its proper divisors (17752186).

23669572 is a wasteful number, since it uses less digits than its factorization.

23669572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5917397 (or 5917395 counting only the distinct ones).

The product of its digits is 136080, while the sum is 40.

The square root of 23669572 is about 4865.1384358515. The cubic root of 23669572 is about 287.1200152028.

The spelling of 23669572 in words is "twenty-three million, six hundred sixty-nine thousand, five hundred seventy-two".