23109652 has 12 divisors (see below), whose sum is σ = 40513396. Its totient is φ = 11534400.

The previous prime is 23109649. The next prime is 23109661. The reversal of 23109652 is 25690132.

It can be written as a sum of positive squares in 2 ways, for example, as 21846276 + 1263376 = 4674^2 + 1124^2 .

It is a super-2 number, since 2×23109652² = 1068112031122208, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 23109652.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2403 + ... + 7210.

Almost surely, 2^23109652 is an apocalyptic number.

23109652 is the 2404-th decagonal number.

It is an amenable number.

23109652 is a deficient number, since it is larger than the sum of its proper divisors (17403744).

23109652 is a wasteful number, since it uses less digits than its factorization.

23109652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10218 (or 10216 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 23109652 is about 4807.2499414946. The cubic root of 23109652 is about 284.8379174834.

Adding to 23109652 its reverse (25690132), we get a palindrome (48799784).

The spelling of 23109652 in words is "twenty-three million, one hundred nine thousand, six hundred fifty-two".