23498705 has 8 divisors (see below), whose sum is σ = 28316904. Its totient is φ = 18720000.

The previous prime is 23498677. The next prime is 23498707. The reversal of 23498705 is 50789432.

It can be written as a sum of positive squares in 4 ways, for example, as 4870849 + 18627856 = 2207^2 + 4316^2 .

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

It is not a de Polignac number, because 23498705 - 2¹⁶ = 23433169 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23498707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8546 + ... + 10955.

It is an arithmetic number, because the mean of its divisors is an integer number (3539613).

Almost surely, 2^23498705 is an apocalyptic number.

It is an amenable number.

23498705 is a deficient number, since it is larger than the sum of its proper divisors (4818199).

23498705 is a wasteful number, since it uses less digits than its factorization.

23498705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19747.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 23498705 is about 4847.5462865248. The cubic root of 23498705 is about 286.4274542788.

The spelling of 23498705 in words is "twenty-three million, four hundred ninety-eight thousand, seven hundred five".