1243124343402 has 32 divisors (see below), whose sum is σ = 2487714915840. Its totient is φ = 414130494960.

The previous prime is 1243124343353. The next prime is 1243124343407. The reversal of 1243124343402 is 2043434213421.

It is not an unprimeable number, because it can be changed into a prime (1243124343407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93188049 + ... + 93201387.

It is an arithmetic number, because the mean of its divisors is an integer number (77741091120).

Almost surely, 2^{1243124343402} is an apocalyptic number.

1243124343402 is an abundant number, since it is smaller than the sum of its proper divisors (1244590572438).

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

1243124343402 is a wasteful number, since it uses less digits than its factorization.

1243124343402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21338.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 1243124343402 its reverse (2043434213421), we get a palindrome (3286558556823).

The spelling of 1243124343402 in words is "one trillion, two hundred forty-three billion, one hundred twenty-four million, three hundred forty-three thousand, four hundred two".