23270329 has 4 divisors (see below), whose sum is σ = 23837940. Its totient is φ = 22702720.

The previous prime is 23270309. The next prime is 23270333. The reversal of 23270329 is 92307232.

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 10738729 + 12531600 = 3277^2 + 3540^2 .

It is a cyclic number.

It is not a de Polignac number, because 23270329 - 2⁷ = 23270201 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 = 23270297 and 23270306.

It is not an unprimeable number, because it can be changed into a prime (23270309) 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, 283744 + ... + 283825.

It is an arithmetic number, because the mean of its divisors is an integer number (5959485).

Almost surely, 2^23270329 is an apocalyptic number.

It is an amenable number.

23270329 is a deficient number, since it is larger than the sum of its proper divisors (567611).

23270329 is an equidigital number, since it uses as much as digits as its factorization.

23270329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567610.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 23270329 is about 4823.9329390032. The cubic root of 23270329 is about 285.4965346473.

It can be divided in two parts, 232 and 70329, that multiplied together give a triangular number (16316328 = T₅₇₁₂).

The spelling of 23270329 in words is "twenty-three million, two hundred seventy thousand, three hundred twenty-nine".