23911673955 has 96 divisors (see below), whose sum is σ = 42348718080. Its totient is φ = 11512650240.

The previous prime is 23911673953. The next prime is 23911673957. The reversal of 23911673955 is 55937611932.

It is a Cunningham number, because it is equal to 154634²-1.

23911673955 is a nontrivial binomial coefficient, being equal to C(218686, 2).

It is an interprime number because it is at equal distance from previous prime (23911673953) and next prime (23911673957).

It is not a de Polignac number, because 23911673955 - 2¹ = 23911673953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23911673898 and 23911673907.

It is not an unprimeable number, because it can be changed into a prime (23911673953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 36957442 + ... + 36958088.

It is an arithmetic number, because the mean of its divisors is an integer number (441132480).

Almost surely, 2^23911673955 is an apocalyptic number.

23911673955 is the 218685-th triangular number and also the 109343-rd hexagonal number.

23911673955 is a deficient number, since it is larger than the sum of its proper divisors (18437044125).

23911673955 is a wasteful number, since it uses less digits than its factorization.

23911673955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981 (or 968 counting only the distinct ones).

The product of its digits is 1530900, while the sum is 51.

The spelling of 23911673955 in words is "twenty-three billion, nine hundred eleven million, six hundred seventy-three thousand, nine hundred fifty-five".