1203231001143 has 8 divisors (see below), whose sum is σ = 1607088433648. Its totient is φ = 800763784704.

The previous prime is 1203231001121. The next prime is 1203231001169. The reversal of 1203231001143 is 3411001323021.

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

It is not a de Polignac number, because 1203231001143 - 2¹⁴ = 1203230984759 is a prime.

It is a super-2 number, since 2×1203231001143² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203231001103) 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, 347551996 + ... + 347555457.

It is an arithmetic number, because the mean of its divisors is an integer number (200886054206).

Almost surely, 2^{1203231001143} is an apocalyptic number.

1203231001143 is a deficient number, since it is larger than the sum of its proper divisors (403857432505).

1203231001143 is an equidigital number, since it uses as much as digits as its factorization.

1203231001143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695108033.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1203231001143 its reverse (3411001323021), we get a palindrome (4614232324164).

The spelling of 1203231001143 in words is "one trillion, two hundred three billion, two hundred thirty-one million, one thousand, one hundred forty-three".