23454451 has 4 divisors (see below), whose sum is σ = 23471712. Its totient is φ = 23437192.

The previous prime is 23454449. The next prime is 23454467. The reversal of 23454451 is 15445432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23454451 - 2¹ = 23454449 is a prime.

It is a super-2 number, since 2×23454451² = 1100222543422802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23454401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6400 + ... + 9373.

It is an arithmetic number, because the mean of its divisors is an integer number (5867928).

Almost surely, 2^23454451 is an apocalyptic number.

23454451 is a deficient number, since it is larger than the sum of its proper divisors (17261).

23454451 is a wasteful number, since it uses less digits than its factorization.

23454451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17260.

The product of its digits is 9600, while the sum is 28.

The square root of 23454451 is about 4842.9795580820. The cubic root of 23454451 is about 286.2475361941.

Adding to 23454451 its reverse (15445432), we get a palindrome (38899883).

The spelling of 23454451 in words is "twenty-three million, four hundred fifty-four thousand, four hundred fifty-one".