23834945 has 8 divisors (see below), whose sum is σ = 28632744. Its totient is φ = 19047424.

The previous prime is 23834933. The next prime is 23834953. The reversal of 23834945 is 54943832.

It can be written as a sum of positive squares in 4 ways, for example, as 3701776 + 20133169 = 1924^2 + 4487^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 23834945 - 2⁴ = 23834929 is a prime.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23834899 and 23834908.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4127 + ... + 8043.

It is an arithmetic number, because the mean of its divisors is an integer number (3579093).

Almost surely, 2^23834945 is an apocalyptic number.

It is an amenable number.

23834945 is a deficient number, since it is larger than the sum of its proper divisors (4797799).

23834945 is a wasteful number, since it uses less digits than its factorization.

23834945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5139.

The product of its digits is 103680, while the sum is 38.

The square root of 23834945 is about 4882.1045666802. The cubic root of 23834945 is about 287.7871409734.

The spelling of 23834945 in words is "twenty-three million, eight hundred thirty-four thousand, nine hundred forty-five".