23073489 has 12 divisors (see below), whose sum is σ = 33380100. Its totient is φ = 15358464.

The previous prime is 23073481. The next prime is 23073493. The reversal of 23073489 is 98437032.

23073489 is a `hidden beast` number, since 2 + 307 + 348 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 19713600 + 3359889 = 4440^2 + 1833^2 .

It is not a de Polignac number, because 23073489 - 2³ = 23073481 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23073481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5697 + ... + 8865.

It is an arithmetic number, because the mean of its divisors is an integer number (2781675).

Almost surely, 2^23073489 is an apocalyptic number.

It is an amenable number.

23073489 is a deficient number, since it is larger than the sum of its proper divisors (10306611).

23073489 is a wasteful number, since it uses less digits than its factorization.

23073489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3984 (or 3981 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 23073489 is about 4803.4871707958. The cubic root of 23073489 is about 284.6892642825.

The spelling of 23073489 in words is "twenty-three million, seventy-three thousand, four hundred eighty-nine".