23947673 has 4 divisors (see below), whose sum is σ = 23963940. Its totient is φ = 23931408.

The previous prime is 23947643. The next prime is 23947691. The reversal of 23947673 is 37674932.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2166784 + 21780889 = 1472^2 + 4667^2 .

It is a cyclic number.

It is not a de Polignac number, because 23947673 - 2¹⁴ = 23931289 is a prime.

It is a super-2 number, since 2×23947673² = 1146982084229858, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23947673.

It is not an unprimeable number, because it can be changed into a prime (23947613) 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, 5678 + ... + 8951.

It is an arithmetic number, because the mean of its divisors is an integer number (5990985).

Almost surely, 2^23947673 is an apocalyptic number.

It is an amenable number.

23947673 is a deficient number, since it is larger than the sum of its proper divisors (16267).

23947673 is a wasteful number, since it uses less digits than its factorization.

23947673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16266.

The product of its digits is 190512, while the sum is 41.

The square root of 23947673 is about 4893.6359692973. The cubic root of 23947673 is about 288.2401265402.

The spelling of 23947673 in words is "twenty-three million, nine hundred forty-seven thousand, six hundred seventy-three".