23087478 has 16 divisors (see below), whose sum is σ = 46470960. Its totient is φ = 7646496.

The previous prime is 23087461. The next prime is 23087503. The reversal of 23087478 is 87478032.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11313 + ... + 13196.

It is an arithmetic number, because the mean of its divisors is an integer number (2904435).

Almost surely, 2^23087478 is an apocalyptic number.

23087478 is an abundant number, since it is smaller than the sum of its proper divisors (23383482).

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

23087478 is a wasteful number, since it uses less digits than its factorization.

23087478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24671.

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 23087478 is about 4804.9430797877. The cubic root of 23087478 is about 284.7467864825.

The spelling of 23087478 in words is "twenty-three million, eighty-seven thousand, four hundred seventy-eight".