1142265023 has 2 divisors, whose sum is σ = 1142265024. Its totient is φ = 1142265022.

The previous prime is 1142265011. The next prime is 1142265067. The reversal of 1142265023 is 3205622411.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1142265023 - 2³⁰ = 68523199 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1142264983 and 1142265001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142265323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571132511 + 571132512.

It is an arithmetic number, because the mean of its divisors is an integer number (571132512).

Almost surely, 2^1142265023 is an apocalyptic number.

1142265023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142265023 is an equidigital number, since it uses as much as digits as its factorization.

1142265023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1142265023 is about 33797.4114837216. The cubic root of 1142265023 is about 1045.3353236592.

Adding to 1142265023 its reverse (3205622411), we get a palindrome (4347887434).

The spelling of 1142265023 in words is "one billion, one hundred forty-two million, two hundred sixty-five thousand, twenty-three".