23001489 has 40 divisors (see below), whose sum is σ = 39726720. Its totient is φ = 12991104.

The previous prime is 23001479. The next prime is 23001491. The reversal of 23001489 is 98410032.

It is not a de Polignac number, because 23001489 - 2⁸ = 23001233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (23001409) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 63892 + ... + 64250.

It is an arithmetic number, because the mean of its divisors is an integer number (993168).

Almost surely, 2^23001489 is an apocalyptic number.

It is an amenable number.

23001489 is a deficient number, since it is larger than the sum of its proper divisors (16725231).

23001489 is a wasteful number, since it uses less digits than its factorization.

23001489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491 (or 482 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 23001489 is about 4795.9867597816. The cubic root of 23001489 is about 284.3928348352.

The spelling of 23001489 in words is "twenty-three million, one thousand, four hundred eighty-nine".