23121461 has 8 divisors (see below), whose sum is σ = 26551200. Its totient is φ = 19913040.

The previous prime is 23121457. The next prime is 23121473. The reversal of 23121461 is 16412132.

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 23121461 - 2² = 23121457 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23121421) 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, 55106 + ... + 55523.

It is an arithmetic number, because the mean of its divisors is an integer number (3318900).

Almost surely, 2^23121461 is an apocalyptic number.

It is an amenable number.

23121461 is a deficient number, since it is larger than the sum of its proper divisors (3429739).

23121461 is a wasteful number, since it uses less digits than its factorization.

23121461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110659.

The product of its digits is 288, while the sum is 20.

The square root of 23121461 is about 4808.4780336402. The cubic root of 23121461 is about 284.8864264815.

Adding to 23121461 its reverse (16412132), we get a palindrome (39533593).

It can be divided in two parts, 2312 and 1461, that added together give a palindrome (3773).

The spelling of 23121461 in words is "twenty-three million, one hundred twenty-one thousand, four hundred sixty-one".