1142343253 has 2 divisors, whose sum is σ = 1142343254. Its totient is φ = 1142343252.

The previous prime is 1142343227. The next prime is 1142343259. The reversal of 1142343253 is 3523432411.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 767456209 + 374887044 = 27703^2 + 19362^2 .

It is a cyclic number.

It is not a de Polignac number, because 1142343253 - 2⁵ = 1142343221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142343259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571171626 + 571171627.

It is an arithmetic number, because the mean of its divisors is an integer number (571171627).

Almost surely, 2^1142343253 is an apocalyptic number.

It is an amenable number.

1142343253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142343253 is an equidigital number, since it uses as much as digits as its factorization.

1142343253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 28.

The square root of 1142343253 is about 33798.5688010602. The cubic root of 1142343253 is about 1045.3591869816.

Adding to 1142343253 its reverse (3523432411), we get a palindrome (4665775664).

The spelling of 1142343253 in words is "one billion, one hundred forty-two million, three hundred forty-three thousand, two hundred fifty-three".