1023143213 has 2 divisors, whose sum is σ = 1023143214. Its totient is φ = 1023143212.

The previous prime is 1023143197. The next prime is 1023143227. The reversal of 1023143213 is 3123413201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 816416329 + 206726884 = 28573^2 + 14378^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023143213 - 2⁴ = 1023143197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023143273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511571606 + 511571607.

It is an arithmetic number, because the mean of its divisors is an integer number (511571607).

Almost surely, 2^1023143213 is an apocalyptic number.

It is an amenable number.

1023143213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023143213 is an equidigital number, since it uses as much as digits as its factorization.

1023143213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1023143213 is about 31986.6099016448. The cubic root of 1023143213 is about 1007.6556458568.

Adding to 1023143213 its reverse (3123413201), we get a palindrome (4146556414).

The spelling of 1023143213 in words is "one billion, twenty-three million, one hundred forty-three thousand, two hundred thirteen".