23920927 has 4 divisors (see below), whose sum is σ = 24093160. Its totient is φ = 23748696.

The previous prime is 23920909. The next prime is 23920957. The reversal of 23920927 is 72902932.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23920927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23920892 and 23920901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23920957) 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, 85908 + ... + 86185.

It is an arithmetic number, because the mean of its divisors is an integer number (6023290).

Almost surely, 2^23920927 is an apocalyptic number.

23920927 is a deficient number, since it is larger than the sum of its proper divisors (172233).

23920927 is a wasteful number, since it uses less digits than its factorization.

23920927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172232.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 23920927 is about 4890.9024729594. The cubic root of 23920927 is about 288.1327794055.

The spelling of 23920927 in words is "twenty-three million, nine hundred twenty thousand, nine hundred twenty-seven".