23270045 has 4 divisors (see below), whose sum is σ = 27924060. Its totient is φ = 18616032.

The previous prime is 23270011. The next prime is 23270047. The reversal of 23270045 is 54007232.

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 15038884 + 8231161 = 3878^2 + 2869^2 .

It is a cyclic number.

It is not a de Polignac number, because 23270045 - 2¹⁰ = 23269021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23270045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23270047) 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, 2327000 + ... + 2327009.

It is an arithmetic number, because the mean of its divisors is an integer number (6981015).

Almost surely, 2^23270045 is an apocalyptic number.

It is an amenable number.

23270045 is a deficient number, since it is larger than the sum of its proper divisors (4654015).

23270045 is an equidigital number, since it uses as much as digits as its factorization.

23270045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4654014.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 23270045 is about 4823.9035023516. The cubic root of 23270045 is about 285.4953732063.

Adding to 23270045 its reverse (54007232), we get a palindrome (77277277).

The spelling of 23270045 in words is "twenty-three million, two hundred seventy thousand, forty-five".