23793505 has 4 divisors (see below), whose sum is σ = 28552212. Its totient is φ = 19034800.

The previous prime is 23793503. The next prime is 23793521. The reversal of 23793505 is 50539732.

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 7463824 + 16329681 = 2732^2 + 4041^2 .

It is not a de Polignac number, because 23793505 - 2¹ = 23793503 is a prime.

It is a super-2 number, since 2×23793505² = 1132261760370050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23793503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2379346 + ... + 2379355.

It is an arithmetic number, because the mean of its divisors is an integer number (7138053).

Almost surely, 2^23793505 is an apocalyptic number.

It is an amenable number.

23793505 is a deficient number, since it is larger than the sum of its proper divisors (4758707).

23793505 is an equidigital number, since it uses as much as digits as its factorization.

23793505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4758706.

The product of its (nonzero) digits is 28350, while the sum is 34.

The square root of 23793505 is about 4877.8586490385. The cubic root of 23793505 is about 287.6202597079.

The spelling of 23793505 in words is "twenty-three million, seven hundred ninety-three thousand, five hundred five".