23121459 has 12 divisors (see below), whose sum is σ = 33468552. Its totient is φ = 15381600.

The previous prime is 23121457. The next prime is 23121473. The reversal of 23121459 is 95412132.

It is not a de Polignac number, because 23121459 - 2¹ = 23121457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23121457) 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, 2224 + ... + 7154.

It is an arithmetic number, because the mean of its divisors is an integer number (2789046).

Almost surely, 2^23121459 is an apocalyptic number.

23121459 is a deficient number, since it is larger than the sum of its proper divisors (10347093).

23121459 is a wasteful number, since it uses less digits than its factorization.

23121459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5458 (or 5455 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 23121459 is about 4808.4778256741. The cubic root of 23121459 is about 284.8864182673.

The spelling of 23121459 in words is "twenty-three million, one hundred twenty-one thousand, four hundred fifty-nine".