23397478 has 8 divisors (see below), whose sum is σ = 37795968. Its totient is φ = 10798824.

The previous prime is 23397469. The next prime is 23397481. The reversal of 23397478 is 87479332.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 449926 + ... + 449977.

It is an arithmetic number, because the mean of its divisors is an integer number (4724496).

Almost surely, 2^23397478 is an apocalyptic number.

23397478 is a deficient number, since it is larger than the sum of its proper divisors (14398490).

23397478 is a wasteful number, since it uses less digits than its factorization.

23397478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899918.

The product of its digits is 254016, while the sum is 43.

The square root of 23397478 is about 4837.0939622877. The cubic root of 23397478 is about 286.0155744856.

The spelling of 23397478 in words is "twenty-three million, three hundred ninety-seven thousand, four hundred seventy-eight".