23677140 has 24 divisors (see below), whose sum is σ = 66296160. Its totient is φ = 6313888.

The previous prime is 23677139. The next prime is 23677163. The reversal of 23677140 is 4177632.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 23677098 and 23677107.

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 7 ways as a sum of consecutive naturals, for example, 197250 + ... + 197369.

It is an arithmetic number, because the mean of its divisors is an integer number (2762340).

Almost surely, 2^23677140 is an apocalyptic number.

23677140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23677140 is an abundant number, since it is smaller than the sum of its proper divisors (42619020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23677140 is a wasteful number, since it uses less digits than its factorization.

23677140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394631 (or 394629 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 23677140 is about 4865.9161521753. The cubic root of 23677140 is about 287.1506127527.

The spelling of 23677140 in words is "twenty-three million, six hundred seventy-seven thousand, one hundred forty".