23683845 has 32 divisors (see below), whose sum is σ = 39896064. Its totient is φ = 11993280.

The previous prime is 23683831. The next prime is 23683871. The reversal of 23683845 is 54838632.

23683845 = 157² + 158² + ... + 421².

It is not a de Polignac number, because 23683845 - 2¹⁵ = 23651077 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 446839 + ... + 446891.

It is an arithmetic number, because the mean of its divisors is an integer number (1246752).

Almost surely, 2^23683845 is an apocalyptic number.

It is an amenable number.

23683845 is a deficient number, since it is larger than the sum of its proper divisors (16212219).

23683845 is an frugal number, since it uses more digits than its factorization.

23683845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 92 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The square root of 23683845 is about 4866.6050795190. The cubic root of 23683845 is about 287.1777157326.

The spelling of 23683845 in words is "twenty-three million, six hundred eighty-three thousand, eight hundred forty-five".