1023433420013 has 2 divisors, whose sum is σ = 1023433420014. Its totient is φ = 1023433420012.

The previous prime is 1023433420001. The next prime is 1023433420049. The reversal of 1023433420013 is 3100243343201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 890414929924 + 133018490089 = 943618^2 + 364717^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023433420013 - 2¹⁶ = 1023433354477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023433425013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511716710006 + 511716710007.

It is an arithmetic number, because the mean of its divisors is an integer number (511716710007).

Almost surely, 2^{1023433420013} is an apocalyptic number.

It is an amenable number.

1023433420013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023433420013 is an equidigital number, since it uses as much as digits as its factorization.

1023433420013 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 26.

Adding to 1023433420013 its reverse (3100243343201), we get a palindrome (4123676763214).

The spelling of 1023433420013 in words is "one trillion, twenty-three billion, four hundred thirty-three million, four hundred twenty thousand, thirteen".