23045478 has 8 divisors (see below), whose sum is σ = 46090968. Its totient is φ = 7681824.

The previous prime is 23045467. The next prime is 23045479. The reversal of 23045478 is 87454032.

It is a sphenic number, since it is the product of 3 distinct primes.

23045478 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23045479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1920451 + ... + 1920462.

It is an arithmetic number, because the mean of its divisors is an integer number (5761371).

Almost surely, 2^23045478 is an apocalyptic number.

23045478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

23045478 is a wasteful number, since it uses less digits than its factorization.

23045478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3840918.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 23045478 is about 4800.5705910860. The cubic root of 23045478 is about 284.5740142637.

The spelling of 23045478 in words is "twenty-three million, forty-five thousand, four hundred seventy-eight".