23649677 has 4 divisors (see below), whose sum is σ = 23949120. Its totient is φ = 23350236.

The previous prime is 23649631. The next prime is 23649679. The reversal of 23649677 is 77694632.

It is a happy number.

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 23649677 - 2¹² = 23645581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23649679) 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, 149603 + ... + 149760.

It is an arithmetic number, because the mean of its divisors is an integer number (5987280).

Almost surely, 2^23649677 is an apocalyptic number.

It is an amenable number.

23649677 is a deficient number, since it is larger than the sum of its proper divisors (299443).

23649677 is an equidigital number, since it uses as much as digits as its factorization.

23649677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299442.

The product of its digits is 381024, while the sum is 44.

The square root of 23649677 is about 4863.0933571134. The cubic root of 23649677 is about 287.0395482656.

The spelling of 23649677 in words is "twenty-three million, six hundred forty-nine thousand, six hundred seventy-seven".