23675643 has 6 divisors (see below), whose sum is σ = 34198164. Its totient is φ = 15783756.

The previous prime is 23675621. The next prime is 23675651. The reversal of 23675643 is 34657632.

23675643 is a `hidden beast` number, since 2 + 3 + 6 + 7 + 5 + 643 = 666.

It is not a de Polignac number, because 23675643 - 2⁹ = 23675131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23675598 and 23675607.

It is not an unprimeable number, because it can be changed into a prime (23676643) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1315305 + ... + 1315322.

It is an arithmetic number, because the mean of its divisors is an integer number (5699694).

Almost surely, 2^23675643 is an apocalyptic number.

23675643 is a deficient number, since it is larger than the sum of its proper divisors (10522521).

23675643 is a wasteful number, since it uses less digits than its factorization.

23675643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2630633 (or 2630630 counting only the distinct ones).

The product of its digits is 90720, while the sum is 36.

The square root of 23675643 is about 4865.7623246517. The cubic root of 23675643 is about 287.1445608742.

The spelling of 23675643 in words is "twenty-three million, six hundred seventy-five thousand, six hundred forty-three".