1142152523 has 2 divisors, whose sum is σ = 1142152524. Its totient is φ = 1142152522.

The previous prime is 1142152511. The next prime is 1142152589. The reversal of 1142152523 is 3252512411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1142152523 - 2⁴ = 1142152507 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1142152492 and 1142152501.

It is not a weakly prime, because it can be changed into another prime (1142151523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571076261 + 571076262.

It is an arithmetic number, because the mean of its divisors is an integer number (571076262).

Almost surely, 2^1142152523 is an apocalyptic number.

1142152523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142152523 is an equidigital number, since it uses as much as digits as its factorization.

1142152523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2400, while the sum is 26.

The square root of 1142152523 is about 33795.7471140971. The cubic root of 1142152523 is about 1045.3010046869.

Adding to 1142152523 its reverse (3252512411), we get a palindrome (4394664934).

The spelling of 1142152523 in words is "one billion, one hundred forty-two million, one hundred fifty-two thousand, five hundred twenty-three".