1143022523 has 4 divisors (see below), whose sum is σ = 1210259160. Its totient is φ = 1075785888.

The previous prime is 1143022493. The next prime is 1143022541. The reversal of 1143022523 is 3252203411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1143022523 - 2⁸ = 1143022267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1143022423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33618293 + ... + 33618326.

It is an arithmetic number, because the mean of its divisors is an integer number (302564790).

Almost surely, 2^1143022523 is an apocalyptic number.

1143022523 is a deficient number, since it is larger than the sum of its proper divisors (67236637).

1143022523 is an equidigital number, since it uses as much as digits as its factorization.

1143022523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67236636.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1143022523 is about 33808.6161059574. The cubic root of 1143022523 is about 1045.5663460921.

Adding to 1143022523 its reverse (3252203411), we get a palindrome (4395225934).

The spelling of 1143022523 in words is "one billion, one hundred forty-three million, twenty-two thousand, five hundred twenty-three".