1023434322397 has 2 divisors, whose sum is σ = 1023434322398. Its totient is φ = 1023434322396.

The previous prime is 1023434322389. The next prime is 1023434322401. The reversal of 1023434322397 is 7932234343201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 600421967161 + 423012355236 = 774869^2 + 650394^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023434322397 - 2³ = 1023434322389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023434320397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511717161198 + 511717161199.

It is an arithmetic number, because the mean of its divisors is an integer number (511717161199).

Almost surely, 2^{1023434322397} is an apocalyptic number.

It is an amenable number.

1023434322397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023434322397 is an equidigital number, since it uses as much as digits as its factorization.

1023434322397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 43.

Adding to 1023434322397 its reverse (7932234343201), we get a palindrome (8955668665598).

The spelling of 1023434322397 in words is "one trillion, twenty-three billion, four hundred thirty-four million, three hundred twenty-two thousand, three hundred ninety-seven".