1204431233143 has 16 divisors (see below), whose sum is σ = 1223794440000. Its totient is φ = 1185240874752.

The previous prime is 1204431233129. The next prime is 1204431233147. The reversal of 1204431233143 is 3413321344021.

It is a cyclic number.

It is not a de Polignac number, because 1204431233143 - 2³⁷ = 1066992279671 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 (1204431233147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12032043 + ... + 12131731.

It is an arithmetic number, because the mean of its divisors is an integer number (76487152500).

Almost surely, 2^{1204431233143} is an apocalyptic number.

1204431233143 is a deficient number, since it is larger than the sum of its proper divisors (19363206857).

1204431233143 is a wasteful number, since it uses less digits than its factorization.

1204431233143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100554.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 1204431233143 its reverse (3413321344021), we get a palindrome (4617752577164).

The spelling of 1204431233143 in words is "one trillion, two hundred four billion, four hundred thirty-one million, two hundred thirty-three thousand, one hundred forty-three".