1023021029993 has 2 divisors, whose sum is σ = 1023021029994. Its totient is φ = 1023021029992.

The previous prime is 1023021029951. The next prime is 1023021030001. The reversal of 1023021029993 is 3999201203201.

1023021029993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 815548067929 + 207472962064 = 903077^2 + 455492^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023021029993 - 2¹⁸ = 1023020767849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1023021029993.

It is not a weakly prime, because it can be changed into another prime (1023021029593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511510514996 + 511510514997.

It is an arithmetic number, because the mean of its divisors is an integer number (511510514997).

Almost surely, 2^{1023021029993} is an apocalyptic number.

It is an amenable number.

1023021029993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023021029993 is an equidigital number, since it uses as much as digits as its factorization.

1023021029993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 41.

The spelling of 1023021029993 in words is "one trillion, twenty-three billion, twenty-one million, twenty-nine thousand, nine hundred ninety-three".