23121465 has 8 divisors (see below), whose sum is σ = 36994368. Its totient is φ = 12331440.

The previous prime is 23121457. The next prime is 23121473. The reversal of 23121465 is 56412132.

It is an interprime number because it is at equal distance from previous prime (23121457) and next prime (23121473).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23121465 - 2³ = 23121457 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 770701 + ... + 770730.

It is an arithmetic number, because the mean of its divisors is an integer number (4624296).

Almost surely, 2^23121465 is an apocalyptic number.

It is an amenable number.

23121465 is a deficient number, since it is larger than the sum of its proper divisors (13872903).

23121465 is a wasteful number, since it uses less digits than its factorization.

23121465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541439.

The product of its digits is 1440, while the sum is 24.

The square root of 23121465 is about 4808.4784495722. The cubic root of 23121465 is about 284.8864429098.

Adding to 23121465 its reverse (56412132), we get a palindrome (79533597).

The spelling of 23121465 in words is "twenty-three million, one hundred twenty-one thousand, four hundred sixty-five".