23861241309 has 4 divisors (see below), whose sum is σ = 31814988416. Its totient is φ = 15907494204.

The previous prime is 23861241307. The next prime is 23861241317. The reversal of 23861241309 is 90314216832.

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 not a de Polignac number, because 23861241309 - 2¹ = 23861241307 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 (23861241301) 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, 3976873549 + ... + 3976873554.

It is an arithmetic number, because the mean of its divisors is an integer number (7953747104).

Almost surely, 2^23861241309 is an apocalyptic number.

It is an amenable number.

23861241309 is a deficient number, since it is larger than the sum of its proper divisors (7953747107).

23861241309 is an equidigital number, since it uses as much as digits as its factorization.

23861241309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7953747106.

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 23861241309 in words is "twenty-three billion, eight hundred sixty-one million, two hundred forty-one thousand, three hundred nine".