4123569 has 8 divisors (see below), whose sum is σ = 5591520. Its totient is φ = 2702336.

The previous prime is 4123547. The next prime is 4123583. The reversal of 4123569 is 9653214.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4123569 - 2²⁰ = 3074993 is a prime.

It is a super-2 number, since 2×4123569² = 34007642595522, which contains 22 as substring.

4123569 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4123529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11472 + ... + 11825.

It is an arithmetic number, because the mean of its divisors is an integer number (698940).

Almost surely, 2^4123569 is an apocalyptic number.

It is an amenable number.

4123569 is a deficient number, since it is larger than the sum of its proper divisors (1467951).

4123569 is a wasteful number, since it uses less digits than its factorization.

4123569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23359.

The product of its digits is 6480, while the sum is 30.

The square root of 4123569 is about 2030.6572827535. The cubic root of 4123569 is about 160.3581689745.

The spelling of 4123569 in words is "four million, one hundred twenty-three thousand, five hundred sixty-nine".