23443461 has 6 divisors (see below), whose sum is σ = 33862790. Its totient is φ = 15628968.

The previous prime is 23443457. The next prime is 23443481. The reversal of 23443461 is 16434432.

It can be written as a sum of positive squares in only one way, i.e., 22752900 + 690561 = 4770^2 + 831^2 .

It is not a de Polignac number, because 23443461 - 2² = 23443457 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 (23443411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1302406 + ... + 1302423.

Almost surely, 2^23443461 is an apocalyptic number.

It is an amenable number.

23443461 is a deficient number, since it is larger than the sum of its proper divisors (10419329).

23443461 is a wasteful number, since it uses less digits than its factorization.

23443461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2604835 (or 2604832 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 23443461 is about 4841.8447930515. The cubic root of 23443461 is about 286.2028204185.

Adding to 23443461 its reverse (16434432), we get a palindrome (39877893).

The spelling of 23443461 in words is "twenty-three million, four hundred forty-three thousand, four hundred sixty-one".