1231444110043 has 32 divisors (see below), whose sum is σ = 1499753088000. Its totient is φ = 987679401984.

The previous prime is 1231444110023. The next prime is 1231444110047. The reversal of 1231444110043 is 3400114441321.

It is a cyclic number.

It is not a de Polignac number, because 1231444110043 - 2¹⁷ = 1231443978971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1231444109993 and 1231444110020.

It is not an unprimeable number, because it can be changed into a prime (1231444110047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3456171 + ... + 3795787.

It is an arithmetic number, because the mean of its divisors is an integer number (46867284000).

Almost surely, 2^{1231444110043} is an apocalyptic number.

1231444110043 is a deficient number, since it is larger than the sum of its proper divisors (268308977957).

1231444110043 is a wasteful number, since it uses less digits than its factorization.

1231444110043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339979.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 1231444110043 its reverse (3400114441321), we get a palindrome (4631558551364).

The spelling of 1231444110043 in words is "one trillion, two hundred thirty-one billion, four hundred forty-four million, one hundred ten thousand, forty-three".