23672747 has 24 divisors (see below), whose sum is σ = 29076480. Its totient is φ = 18854640.

The previous prime is 23672743. The next prime is 23672767. The reversal of 23672747 is 74727632.

It is not a de Polignac number, because 23672747 - 2² = 23672743 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23672747.

It is not an unprimeable number, because it can be changed into a prime (23672743) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 401204 + ... + 401262.

It is an arithmetic number, because the mean of its divisors is an integer number (1211520).

Almost surely, 2^23672747 is an apocalyptic number.

23672747 is a deficient number, since it is larger than the sum of its proper divisors (5403733).

23672747 is an equidigital number, since it uses as much as digits as its factorization.

23672747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 140 counting only the distinct ones).

The product of its digits is 98784, while the sum is 38.

The square root of 23672747 is about 4865.4647260051. The cubic root of 23672747 is about 287.1328525747.

The spelling of 23672747 in words is "twenty-three million, six hundred seventy-two thousand, seven hundred forty-seven".