23543514404136 has 112 divisors (see below), whose sum is σ = 70079143115700. Its totient is φ = 7386200566272.

The previous prime is 23543514404057. The next prime is 23543514404143. The reversal of 23543514404136 is 63140441534532.

23543514404136 is a `hidden beast` number, since 2 + 3 + 5 + 435 + 144 + 0 + 41 + 36 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 23115806252100 + 427708152036 = 4807890^2 + 653994^2 .

It is a super-2 number, since 2×23543514404136² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23543514404091 and 23543514404100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 118634791 + ... + 118833078.

Almost surely, 2^{23543514404136} is an apocalyptic number.

It is an amenable number.

23543514404136 is an abundant number, since it is smaller than the sum of its proper divisors (46535628711564).

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

23543514404136 is a wasteful number, since it uses less digits than its factorization.

23543514404136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237467910 (or 237467891 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 45.

Adding to 23543514404136 its reverse (63140441534532), we get a palindrome (86683955938668).

The spelling of 23543514404136 in words is "twenty-three trillion, five hundred forty-three billion, five hundred fourteen million, four hundred four thousand, one hundred thirty-six".