23055609 has 8 divisors (see below), whose sum is σ = 31800960. Its totient is φ = 14840336.

The previous prime is 23055601. The next prime is 23055619. The reversal of 23055609 is 90655032.

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 23055609 - 2³ = 23055601 is a prime.

It is a super-2 number, since 2×23055609² = 1063122212721762, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23055601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132417 + ... + 132590.

It is an arithmetic number, because the mean of its divisors is an integer number (3975120).

Almost surely, 2^23055609 is an apocalyptic number.

23055609 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

23055609 is a deficient number, since it is larger than the sum of its proper divisors (8745351).

23055609 is a wasteful number, since it uses less digits than its factorization.

23055609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265039.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 23055609 is about 4801.6256622107. The cubic root of 23055609 is about 284.6157085891.

The spelling of 23055609 in words is "twenty-three million, fifty-five thousand, six hundred nine".