23378436 has 48 divisors (see below), whose sum is σ = 63806400. Its totient is φ = 7382016.

The previous prime is 23378423. The next prime is 23378447. The reversal of 23378436 is 63487332.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 23378436.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3645 + ... + 7748.

It is an arithmetic number, because the mean of its divisors is an integer number (1329300).

Almost surely, 2^23378436 is an apocalyptic number.

It is an amenable number.

23378436 is an abundant number, since it is smaller than the sum of its proper divisors (40427964).

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

23378436 is a wasteful number, since it uses less digits than its factorization.

23378436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11425 (or 11417 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 23378436 is about 4835.1252310566. The cubic root of 23378436 is about 285.9379623212.

The spelling of 23378436 in words is "twenty-three million, three hundred seventy-eight thousand, four hundred thirty-six".