243155102034 has 96 divisors (see below), whose sum is σ = 550089567360. Its totient is φ = 71486198784.

The previous prime is 243155102017. The next prime is 243155102051. The reversal of 243155102034 is 430201551342.

It is an interprime number because it is at equal distance from previous prime (243155102017) and next prime (243155102051).

It is a junction number, because it is equal to n+sod(n) for n = 243155101992 and 243155102010.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23526732 + ... + 23537064.

It is an arithmetic number, because the mean of its divisors is an integer number (5730099660).

Almost surely, 2^243155102034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243155102034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275044783680).

243155102034 is an abundant number, since it is smaller than the sum of its proper divisors (306934465326).

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

243155102034 is a wasteful number, since it uses less digits than its factorization.

243155102034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11396 (or 11383 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 243155102034 its reverse (430201551342), we get a palindrome (673356653376).

The spelling of 243155102034 in words is "two hundred forty-three billion, one hundred fifty-five million, one hundred two thousand, thirty-four".