23213461 has 4 divisors (see below), whose sum is σ = 23333932. Its totient is φ = 23092992.

The previous prime is 23213447. The next prime is 23213473. The reversal of 23213461 is 16431232.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3632836 + 19580625 = 1906^2 + 4425^2 .

It is a cyclic number.

It is not a de Polignac number, because 23213461 - 2⁵ = 23213429 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 (23213401) 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, 59946 + ... + 60331.

It is an arithmetic number, because the mean of its divisors is an integer number (5833483).

Almost surely, 2^23213461 is an apocalyptic number.

It is an amenable number.

23213461 is a deficient number, since it is larger than the sum of its proper divisors (120471).

23213461 is a wasteful number, since it uses less digits than its factorization.

23213461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120470.

The product of its digits is 864, while the sum is 22.

The square root of 23213461 is about 4818.0349728909. The cubic root of 23213461 is about 285.2637795877.

Adding to 23213461 its reverse (16431232), we get a palindrome (39644693).

The spelling of 23213461 in words is "twenty-three million, two hundred thirteen thousand, four hundred sixty-one".