23438741 has 4 divisors (see below), whose sum is σ = 23983872. Its totient is φ = 22893612.

The previous prime is 23438731. The next prime is 23438749. The reversal of 23438741 is 14783432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23438741 is a prime.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23438698 and 23438707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23438749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272501 + ... + 272586.

It is an arithmetic number, because the mean of its divisors is an integer number (5995968).

Almost surely, 2^23438741 is an apocalyptic number.

It is an amenable number.

23438741 is a deficient number, since it is larger than the sum of its proper divisors (545131).

23438741 is an equidigital number, since it uses as much as digits as its factorization.

23438741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545130.

The product of its digits is 16128, while the sum is 32.

The square root of 23438741 is about 4841.3573509916. The cubic root of 23438741 is about 286.1836115372.

The spelling of 23438741 in words is "twenty-three million, four hundred thirty-eight thousand, seven hundred forty-one".