23670420 has 24 divisors (see below), whose sum is σ = 66277344. Its totient is φ = 6312096.

The previous prime is 23670401. The next prime is 23670421. The reversal of 23670420 is 2407632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23670421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197194 + ... + 197313.

It is an arithmetic number, because the mean of its divisors is an integer number (2761556).

Almost surely, 2^23670420 is an apocalyptic number.

23670420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23670420 is an abundant number, since it is smaller than the sum of its proper divisors (42606924).

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

23670420 is a wasteful number, since it uses less digits than its factorization.

23670420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394519 (or 394517 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 23670420 is about 4865.2255857257. The cubic root of 23670420 is about 287.1234440054.

It can be divided in two parts, 23670 and 420, that added together give a triangular number (24090 = T₂₁₉).

The spelling of 23670420 in words is "twenty-three million, six hundred seventy thousand, four hundred twenty".