23478498 has 40 divisors (see below), whose sum is σ = 54044892. Its totient is φ = 7612704.

The previous prime is 23478463. The next prime is 23478517. The reversal of 23478498 is 89487432.

It can be written as a sum of positive squares in 2 ways, for example, as 20007729 + 3470769 = 4473^2 + 1863^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4036 + ... + 7952.

Almost surely, 2^23478498 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23478498, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27022446).

23478498 is an abundant number, since it is smaller than the sum of its proper divisors (30566394).

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

23478498 is a wasteful number, since it uses less digits than its factorization.

23478498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3968 (or 3959 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 23478498 is about 4845.4615879192. The cubic root of 23478498 is about 286.3453291945.

The spelling of 23478498 in words is "twenty-three million, four hundred seventy-eight thousand, four hundred ninety-eight".