23144529 has 4 divisors (see below), whose sum is σ = 30859376. Its totient is φ = 15429684.

The previous prime is 23144503. The next prime is 23144567. The reversal of 23144529 is 92544132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 23144529 - 2⁸ = 23144273 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23144496 and 23144505.

It is not an unprimeable number, because it can be changed into a prime (23144629) 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, 3857419 + ... + 3857424.

It is an arithmetic number, because the mean of its divisors is an integer number (7714844).

Almost surely, 2^23144529 is an apocalyptic number.

It is an amenable number.

23144529 is a deficient number, since it is larger than the sum of its proper divisors (7714847).

23144529 is an equidigital number, since it uses as much as digits as its factorization.

23144529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7714846.

The product of its digits is 8640, while the sum is 30.

The square root of 23144529 is about 4810.8761156363. The cubic root of 23144529 is about 284.9811375636.

The spelling of 23144529 in words is "twenty-three million, one hundred forty-four thousand, five hundred twenty-nine".