23857473 has 16 divisors (see below), whose sum is σ = 32602176. Its totient is φ = 15512640.

The previous prime is 23857451. The next prime is 23857481. The reversal of 23857473 is 37475832.

It is not a de Polignac number, because 23857473 - 2⁹ = 23856961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23857403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35763 + ... + 36423.

It is an arithmetic number, because the mean of its divisors is an integer number (2037636).

Almost surely, 2^23857473 is an apocalyptic number.

It is an amenable number.

23857473 is a deficient number, since it is larger than the sum of its proper divisors (8744703).

23857473 is a wasteful number, since it uses less digits than its factorization.

23857473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944.

The product of its digits is 141120, while the sum is 39.

The square root of 23857473 is about 4884.4112234741. The cubic root of 23857473 is about 287.8777813783.

The spelling of 23857473 in words is "twenty-three million, eight hundred fifty-seven thousand, four hundred seventy-three".