23661364 has 6 divisors (see below), whose sum is σ = 41407394. Its totient is φ = 11830680.

The previous prime is 23661359. The next prime is 23661431. The reversal of 23661364 is 46316632.

It can be written as a sum of positive squares in only one way, i.e., 16744464 + 6916900 = 4092^2 + 2630^2 .

It is a congruent number.

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, 2957667 + ... + 2957674.

Almost surely, 2^23661364 is an apocalyptic number.

It is an amenable number.

23661364 is a deficient number, since it is larger than the sum of its proper divisors (17746030).

23661364 is a wasteful number, since it uses less digits than its factorization.

23661364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5915345 (or 5915343 counting only the distinct ones).

The product of its digits is 15552, while the sum is 31.

The square root of 23661364 is about 4864.2948101446. The cubic root of 23661364 is about 287.0868227487.

Adding to 23661364 its reverse (46316632), we get a palindrome (69977996).

It can be divided in two parts, 23661 and 364, that added together give a square (24025 = 155²).

The spelling of 23661364 in words is "twenty-three million, six hundred sixty-one thousand, three hundred sixty-four".