1143423326053 has 8 divisors (see below), whose sum is σ = 1150466045696. Its totient is φ = 1136380946400.

The previous prime is 1143423326047. The next prime is 1143423326107. The reversal of 1143423326053 is 3506233243411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1143423326053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143423626053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11510668 + ... + 11609578.

It is an arithmetic number, because the mean of its divisors is an integer number (143808255712).

Almost surely, 2^{1143423326053} is an apocalyptic number.

It is an amenable number.

1143423326053 is a deficient number, since it is larger than the sum of its proper divisors (7042719643).

1143423326053 is an equidigital number, since it uses as much as digits as its factorization.

1143423326053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169995.

The product of its (nonzero) digits is 155520, while the sum is 37.

Adding to 1143423326053 its reverse (3506233243411), we get a palindrome (4649656569464).

The spelling of 1143423326053 in words is "one trillion, one hundred forty-three billion, four hundred twenty-three million, three hundred twenty-six thousand, fifty-three".