1023300421193 has 2 divisors, whose sum is σ = 1023300421194. Its totient is φ = 1023300421192.

The previous prime is 1023300421177. The next prime is 1023300421261. The reversal of 1023300421193 is 3911240033201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 605794475584 + 417505945609 = 778328^2 + 646147^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023300421193 - 2⁴ = 1023300421177 is a prime.

It is not a weakly prime, because it can be changed into another prime (1023300321193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511650210596 + 511650210597.

It is an arithmetic number, because the mean of its divisors is an integer number (511650210597).

Almost surely, 2^{1023300421193} is an apocalyptic number.

It is an amenable number.

1023300421193 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023300421193 is an equidigital number, since it uses as much as digits as its factorization.

1023300421193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

Adding to 1023300421193 its reverse (3911240033201), we get a palindrome (4934540454394).

The spelling of 1023300421193 in words is "one trillion, twenty-three billion, three hundred million, four hundred twenty-one thousand, one hundred ninety-three".