1144223293 has 2 divisors, whose sum is σ = 1144223294. Its totient is φ = 1144223292.

The previous prime is 1144223287. The next prime is 1144223303. The reversal of 1144223293 is 3923224411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1006348729 + 137874564 = 31723^2 + 11742^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144223293 - 2¹³ = 1144215101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1144224293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572111646 + 572111647.

It is an arithmetic number, because the mean of its divisors is an integer number (572111647).

Almost surely, 2^1144223293 is an apocalyptic number.

It is an amenable number.

1144223293 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144223293 is an equidigital number, since it uses as much as digits as its factorization.

1144223293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 31.

The square root of 1144223293 is about 33826.3697874898. The cubic root of 1144223293 is about 1045.9323480138.

The spelling of 1144223293 in words is "one billion, one hundred forty-four million, two hundred twenty-three thousand, two hundred ninety-three".