23456678 has 32 divisors (see below), whose sum is σ = 42666240. Its totient is φ = 9447840.

The previous prime is 23456669. The next prime is 23456681. The reversal of 23456678 is 87665432.

It is a happy number.

It is a plaindrome in base 10.

It is a congruent number.

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, 43088 + ... + 43628.

It is an arithmetic number, because the mean of its divisors is an integer number (1333320).

Almost surely, 2^23456678 is an apocalyptic number.

23456678 is a deficient number, since it is larger than the sum of its proper divisors (19209562).

23456678 is a wasteful number, since it uses less digits than its factorization.

23456678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732.

The product of its digits is 241920, while the sum is 41.

The square root of 23456678 is about 4843.2094730664. The cubic root of 23456678 is about 286.2565956414.

The spelling of 23456678 in words is "twenty-three million, four hundred fifty-six thousand, six hundred seventy-eight".