1142323373 has 2 divisors, whose sum is σ = 1142323374. Its totient is φ = 1142323372.

The previous prime is 1142323349. The next prime is 1142323421. The reversal of 1142323373 is 3733232411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 959884324 + 182439049 = 30982^2 + 13507^2 .

It is a cyclic number.

It is not a de Polignac number, because 1142323373 - 2²⁴ = 1125546157 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142322373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571161686 + 571161687.

It is an arithmetic number, because the mean of its divisors is an integer number (571161687).

Almost surely, 2^1142323373 is an apocalyptic number.

It is an amenable number.

1142323373 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142323373 is an equidigital number, since it uses as much as digits as its factorization.

1142323373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 29.

The square root of 1142323373 is about 33798.2747044875. The cubic root of 1142323373 is about 1045.3531228787.

Adding to 1142323373 its reverse (3733232411), we get a palindrome (4875555784).

The spelling of 1142323373 in words is "one billion, one hundred forty-two million, three hundred twenty-three thousand, three hundred seventy-three".