23728454 has 16 divisors (see below), whose sum is σ = 38676480. Its totient is φ = 10876680.

The previous prime is 23728429. The next prime is 23728457. The reversal of 23728454 is 45482732.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23728457) 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, 8894 + ... + 11249.

It is an arithmetic number, because the mean of its divisors is an integer number (2417280).

Almost surely, 2^23728454 is an apocalyptic number.

23728454 is a deficient number, since it is larger than the sum of its proper divisors (14948026).

23728454 is a wasteful number, since it uses less digits than its factorization.

23728454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20195.

The product of its digits is 53760, while the sum is 35.

The square root of 23728454 is about 4871.1860978616. The cubic root of 23728454 is about 287.3579043245.

The spelling of 23728454 in words is "twenty-three million, seven hundred twenty-eight thousand, four hundred fifty-four".