1023020332189 has 2 divisors, whose sum is σ = 1023020332190. Its totient is φ = 1023020332188.

The previous prime is 1023020332157. The next prime is 1023020332199. The reversal of 1023020332189 is 9812330203201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 715707540025 + 307312792164 = 845995^2 + 554358^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023020332189 - 2⁵ = 1023020332157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023020332109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511510166094 + 511510166095.

It is an arithmetic number, because the mean of its divisors is an integer number (511510166095).

Almost surely, 2^{1023020332189} is an apocalyptic number.

It is an amenable number.

1023020332189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023020332189 is an equidigital number, since it uses as much as digits as its factorization.

1023020332189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 1023020332189 in words is "one trillion, twenty-three billion, twenty million, three hundred thirty-two thousand, one hundred eighty-nine".