23478236 has 24 divisors (see below), whose sum is σ = 41879040. Its totient is φ = 11515392.

The previous prime is 23478233. The next prime is 23478307. The reversal of 23478236 is 63287432.

It is a junction number, because it is equal to n+sod(n) for n = 23478196 and 23478205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23478233) 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, 57200 + ... + 57608.

It is an arithmetic number, because the mean of its divisors is an integer number (1744960).

Almost surely, 2^23478236 is an apocalyptic number.

It is an amenable number.

23478236 is a deficient number, since it is larger than the sum of its proper divisors (18400804).

23478236 is a wasteful number, since it uses less digits than its factorization.

23478236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653 (or 651 counting only the distinct ones).

The product of its digits is 48384, while the sum is 35.

The square root of 23478236 is about 4845.4345522357. The cubic root of 23478236 is about 286.3442640674.

The spelling of 23478236 in words is "twenty-three million, four hundred seventy-eight thousand, two hundred thirty-six".