23454678 has 32 divisors (see below), whose sum is σ = 52264800. Its totient is φ = 6967296.

The previous prime is 23454671. The next prime is 23454689. The reversal of 23454678 is 87645432.

It is a happy number.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23454671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2923 + ... + 7446.

It is an arithmetic number, because the mean of its divisors is an integer number (1633275).

Almost surely, 2^23454678 is an apocalyptic number.

23454678 is an abundant number, since it is smaller than the sum of its proper divisors (28810122).

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

23454678 is a wasteful number, since it uses less digits than its factorization.

23454678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10416.

The product of its digits is 161280, while the sum is 39.

The square root of 23454678 is about 4843.0029940111. The cubic root of 23454678 is about 286.2484596575.

The spelling of 23454678 in words is "twenty-three million, four hundred fifty-four thousand, six hundred seventy-eight".