23452143 has 16 divisors (see below), whose sum is σ = 36736896. Its totient is φ = 13119840.

The previous prime is 23452109. The next prime is 23452147. The reversal of 23452143 is 34125432.

It is not a de Polignac number, because 23452143 - 2⁸ = 23451887 is a prime.

It is a super-2 number, since 2×23452143² = 1100006022584898, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23452147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26905 + ... + 27762.

It is an arithmetic number, because the mean of its divisors is an integer number (2296056).

Almost surely, 2^23452143 is an apocalyptic number.

23452143 is a deficient number, since it is larger than the sum of its proper divisors (13284753).

23452143 is a wasteful number, since it uses less digits than its factorization.

23452143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54694.

The product of its digits is 2880, while the sum is 24.

The square root of 23452143 is about 4842.7412691574. The cubic root of 23452143 is about 286.2381466332.

Adding to 23452143 its reverse (34125432), we get a palindrome (57577575).

Subtracting 23452143 from its reverse (34125432), we obtain a square (10673289 = 3267²).

The spelling of 23452143 in words is "twenty-three million, four hundred fifty-two thousand, one hundred forty-three".