23455478 has 8 divisors (see below), whose sum is σ = 37252872. Its totient is φ = 11037856.

The previous prime is 23455463. The next prime is 23455493. The reversal of 23455478 is 87455432.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23455463) and next prime (23455493).

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344900 + ... + 344967.

It is an arithmetic number, because the mean of its divisors is an integer number (4656609).

Almost surely, 2^23455478 is an apocalyptic number.

23455478 is a deficient number, since it is larger than the sum of its proper divisors (13797394).

23455478 is a wasteful number, since it uses less digits than its factorization.

23455478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689886.

The product of its digits is 134400, while the sum is 38.

The square root of 23455478 is about 4843.0855866895. The cubic root of 23455478 is about 286.2517141066.

The spelling of 23455478 in words is "twenty-three million, four hundred fifty-five thousand, four hundred seventy-eight".