23847969105 has 32 divisors (see below), whose sum is σ = 42487286400. Its totient is φ = 12691647936.

The previous prime is 23847969049. The next prime is 23847969109. The reversal of 23847969105 is 50196974832.

23847969105 is a `hidden beast` number, since 2 + 3 + 8 + 479 + 69 + 105 = 666.

It is not a de Polignac number, because 23847969105 - 2¹⁴ = 23847952721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23847969109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126090 + ... + 252179.

It is an arithmetic number, because the mean of its divisors is an integer number (1327727700).

It is a 2-persistent number, because it is pandigital, and so is 2⋅23847969105 = 47695938210, but 3⋅23847969105 = 71543907315 is not.

Almost surely, 2^23847969105 is an apocalyptic number.

23847969105 is the 126090-th pentagonal number.

It is an amenable number.

23847969105 is a deficient number, since it is larger than the sum of its proper divisors (18639317295).

23847969105 is a wasteful number, since it uses less digits than its factorization.

23847969105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378750 (or 378744 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 23847969105 in words is "twenty-three billion, eight hundred forty-seven million, nine hundred sixty-nine thousand, one hundred five".