102543230013240 has 128 divisors (see below), whose sum is σ = 323992164384000. Its totient is φ = 25891943067648.

The previous prime is 102543230013239. The next prime is 102543230013251. The reversal of 102543230013240 is 42310032345201.

It is a super-2 number, since 2×102543230013240² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 102543230013198 and 102543230013207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7597554 + ... + 16211393.

It is an arithmetic number, because the mean of its divisors is an integer number (2531188784250).

Almost surely, 2^{102543230013240} is an apocalyptic number.

102543230013240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102543230013240 is an abundant number, since it is smaller than the sum of its proper divisors (221448934370760).

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

102543230013240 is a wasteful number, since it uses less digits than its factorization.

102543230013240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23810869 (or 23810865 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 102543230013240 its reverse (42310032345201), we get a palindrome (144853262358441).

The spelling of 102543230013240 in words is "one hundred two trillion, five hundred forty-three billion, two hundred thirty million, thirteen thousand, two hundred forty".