1142541823 has 2 divisors, whose sum is σ = 1142541824. Its totient is φ = 1142541822.

The previous prime is 1142541791. The next prime is 1142541853. The reversal of 1142541823 is 3281452411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1142541823 - 2⁵ = 1142541791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142541853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571270911 + 571270912.

It is an arithmetic number, because the mean of its divisors is an integer number (571270912).

Almost surely, 2^1142541823 is an apocalyptic number.

1142541823 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142541823 is an equidigital number, since it uses as much as digits as its factorization.

1142541823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7680, while the sum is 31.

The square root of 1142541823 is about 33801.5062238356. The cubic root of 1142541823 is about 1045.4197539921.

The spelling of 1142541823 in words is "one billion, one hundred forty-two million, five hundred forty-one thousand, eight hundred twenty-three".