23538478167 has 36 divisors (see below), whose sum is σ = 34893593280. Its totient is φ = 15290202816.

The previous prime is 23538478153. The next prime is 23538478181. The reversal of 23538478167 is 76187483532.

It is a happy number.

23538478167 is a `hidden beast` number, since 2 + 3 + 5 + 3 + 8 + 478 + 167 = 666.

It is an interprime number because it is at equal distance from previous prime (23538478153) and next prime (23538478181).

It is not a de Polignac number, because 23538478167 - 2¹⁰ = 23538477143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23538478867) 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 35 ways as a sum of consecutive naturals, for example, 7969563 + ... + 7972515.

It is an arithmetic number, because the mean of its divisors is an integer number (969266480).

Almost surely, 2^23538478167 is an apocalyptic number.

23538478167 is a deficient number, since it is larger than the sum of its proper divisors (11355115113).

23538478167 is a wasteful number, since it uses less digits than its factorization.

23538478167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3524 (or 3478 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The spelling of 23538478167 in words is "twenty-three billion, five hundred thirty-eight million, four hundred seventy-eight thousand, one hundred sixty-seven".