23126641 has 4 divisors (see below), whose sum is σ = 23141284. Its totient is φ = 23112000.

The previous prime is 23126633. The next prime is 23126657. The reversal of 23126641 is 14662132.

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 6553600 + 16573041 = 2560^2 + 4071^2 .

It is a cyclic number.

It is not a de Polignac number, because 23126641 - 2³ = 23126633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23126941) 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 3 ways as a sum of consecutive naturals, for example, 4620 + ... + 8221.

It is an arithmetic number, because the mean of its divisors is an integer number (5785321).

Almost surely, 2^23126641 is an apocalyptic number.

It is an amenable number.

23126641 is a deficient number, since it is larger than the sum of its proper divisors (14643).

23126641 is a wasteful number, since it uses less digits than its factorization.

23126641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14642.

The product of its digits is 1728, while the sum is 25.

The square root of 23126641 is about 4809.0166354464. The cubic root of 23126641 is about 284.9076996686.

Adding to 23126641 its reverse (14662132), we get a palindrome (37788773).

The spelling of 23126641 in words is "twenty-three million, one hundred twenty-six thousand, six hundred forty-one".