23043005 has 4 divisors (see below), whose sum is σ = 27651612. Its totient is φ = 18434400.

The previous prime is 23042993. The next prime is 23043017. The reversal of 23043005 is 50034032.

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

It is an interprime number because it is at equal distance from previous prime (23042993) and next prime (23043017).

It can be written as a sum of positive squares in 2 ways, for example, as 8988004 + 14055001 = 2998^2 + 3749^2 .

It is not a de Polignac number, because 23043005 - 2¹⁰ = 23041981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2304296 + ... + 2304305.

It is an arithmetic number, because the mean of its divisors is an integer number (6912903).

Almost surely, 2^23043005 is an apocalyptic number.

It is an amenable number.

23043005 is a deficient number, since it is larger than the sum of its proper divisors (4608607).

23043005 is an equidigital number, since it uses as much as digits as its factorization.

23043005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4608606.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 23043005 is about 4800.3130106275. The cubic root of 23043005 is about 284.5638347293.

Adding to 23043005 its reverse (50034032), we get a palindrome (73077037).

The spelling of 23043005 in words is "twenty-three million, forty-three thousand, five".