1220450023043 has 2 divisors, whose sum is σ = 1220450023044. Its totient is φ = 1220450023042.

The previous prime is 1220450023031. The next prime is 1220450023081. The reversal of 1220450023043 is 3403200540221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1220450023043 - 2²⁸ = 1220181587587 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1220450023843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610225011521 + 610225011522.

It is an arithmetic number, because the mean of its divisors is an integer number (610225011522).

Almost surely, 2^{1220450023043} is an apocalyptic number.

1220450023043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220450023043 is an equidigital number, since it uses as much as digits as its factorization.

1220450023043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 1220450023043 its reverse (3403200540221), we get a palindrome (4623650563264).

The spelling of 1220450023043 in words is "one trillion, two hundred twenty billion, four hundred fifty million, twenty-three thousand, forty-three".