243124035402 has 64 divisors (see below), whose sum is σ = 500603701248. Its totient is φ = 78669360000.

The previous prime is 243124035317. The next prime is 243124035421. The reversal of 243124035402 is 204530421342.

It is a self number, because there is not a number n which added to its sum of digits gives 243124035402.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63130777 + ... + 63134627.

It is an arithmetic number, because the mean of its divisors is an integer number (7821932832).

Almost surely, 2^243124035402 is an apocalyptic number.

243124035402 is an abundant number, since it is smaller than the sum of its proper divisors (257479665846).

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

243124035402 is a wasteful number, since it uses less digits than its factorization.

243124035402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5115.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 243124035402 its reverse (204530421342), we get a palindrome (447654456744).

It can be divided in two parts, 2431240 and 35402, that added together give a palindrome (2466642).

The spelling of 243124035402 in words is "two hundred forty-three billion, one hundred twenty-four million, thirty-five thousand, four hundred two".