23829144156 has 36 divisors (see below), whose sum is σ = 61133813832. Its totient is φ = 7824494304.

The previous prime is 23829144133. The next prime is 23829144161. The reversal of 23829144156 is 65144192832.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×23829144156² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 4937295 + ... + 4942118.

Almost surely, 2^23829144156 is an apocalyptic number.

It is an amenable number.

23829144156 is an abundant number, since it is smaller than the sum of its proper divisors (37304669676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23829144156 is a wasteful number, since it uses less digits than its factorization.

23829144156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9879490 (or 9879485 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The spelling of 23829144156 in words is "twenty-three billion, eight hundred twenty-nine million, one hundred forty-four thousand, one hundred fifty-six".