23254505 has 4 divisors (see below), whose sum is σ = 27905412. Its totient is φ = 18603600.

The previous prime is 23254477. The next prime is 23254507. The reversal of 23254505 is 50545232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6697744 + 16556761 = 2588^2 + 4069^2 .

It is not a de Polignac number, because 23254505 - 2²⁰ = 22205929 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23254507) 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, 2325446 + ... + 2325455.

It is an arithmetic number, because the mean of its divisors is an integer number (6976353).

Almost surely, 2^23254505 is an apocalyptic number.

It is an amenable number.

23254505 is a deficient number, since it is larger than the sum of its proper divisors (4650907).

23254505 is an equidigital number, since it uses as much as digits as its factorization.

23254505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4650906.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 23254505 is about 4822.2925046082. The cubic root of 23254505 is about 285.4318067045.

Adding to 23254505 its reverse (50545232), we get a palindrome (73799737).

The spelling of 23254505 in words is "twenty-three million, two hundred fifty-four thousand, five hundred five".