243143434092 has 96 divisors (see below), whose sum is σ = 643969932480. Its totient is φ = 70870625280.

The previous prime is 243143434091. The next prime is 243143434129. The reversal of 243143434092 is 290434341342.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 243143434092.

It is not an unprimeable number, because it can be changed into a prime (243143434091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 267259 + ... + 746802.

It is an arithmetic number, because the mean of its divisors is an integer number (6708020130).

Almost surely, 2^243143434092 is an apocalyptic number.

It is an amenable number.

243143434092 is an abundant number, since it is smaller than the sum of its proper divisors (400826498388).

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

243143434092 is a wasteful number, since it uses less digits than its factorization.

243143434092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014163 (or 1014161 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 39.

The spelling of 243143434092 in words is "two hundred forty-three billion, one hundred forty-three million, four hundred thirty-four thousand, ninety-two".