1230202023077 has 2 divisors, whose sum is σ = 1230202023078. Its totient is φ = 1230202023076.

The previous prime is 1230202023041. The next prime is 1230202023139. The reversal of 1230202023077 is 7703202020321.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 845809463041 + 384392560036 = 919679^2 + 619994^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230202023077 - 2³² = 1225907055781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230202023577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615101011538 + 615101011539.

It is an arithmetic number, because the mean of its divisors is an integer number (615101011539).

Almost surely, 2^{1230202023077} is an apocalyptic number.

It is an amenable number.

1230202023077 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230202023077 is an equidigital number, since it uses as much as digits as its factorization.

1230202023077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 29.

Adding to 1230202023077 its reverse (7703202020321), we get a palindrome (8933404043398).

The spelling of 1230202023077 in words is "one trillion, two hundred thirty billion, two hundred two million, twenty-three thousand, seventy-seven".