23678487 has 20 divisors (see below), whose sum is σ = 40425616. Its totient is φ = 13530240.

The previous prime is 23678449. The next prime is 23678507. The reversal of 23678487 is 78487632.

It is a happy number.

It is not a de Polignac number, because 23678487 - 2¹⁵ = 23645719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23678437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 20314 + ... + 21447.

Almost surely, 2^23678487 is an apocalyptic number.

23678487 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

23678487 is a deficient number, since it is larger than the sum of its proper divisors (16747129).

23678487 is an equidigital number, since it uses as much as digits as its factorization.

23678487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41780 (or 41771 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 23678487 is about 4866.0545619629. The cubic root of 23678487 is about 287.1560580126.

The spelling of 23678487 in words is "twenty-three million, six hundred seventy-eight thousand, four hundred eighty-seven".