1232020009243 has 2 divisors, whose sum is σ = 1232020009244. Its totient is φ = 1232020009242.

The previous prime is 1232020009237. The next prime is 1232020009321. The reversal of 1232020009243 is 3429000202321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1232020009243 is a prime.

It is not a weakly prime, because it can be changed into another prime (1232020009223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616010004621 + 616010004622.

It is an arithmetic number, because the mean of its divisors is an integer number (616010004622).

Almost surely, 2^{1232020009243} is an apocalyptic number.

1232020009243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232020009243 is an equidigital number, since it uses as much as digits as its factorization.

1232020009243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 1232020009243 in words is "one trillion, two hundred thirty-two billion, twenty million, nine thousand, two hundred forty-three".