1211404432023 has 12 divisors (see below), whose sum is σ = 1749830404608. Its totient is φ = 807591876480.

The previous prime is 1211404432003. The next prime is 1211404432039. The reversal of 1211404432023 is 3202344041121.

1211404432023 is a `hidden beast` number, since 1 + 2 + 1 + 14 + 0 + 443 + 202 + 3 = 666.

It is not a de Polignac number, because 1211404432023 - 2³⁰ = 1210330690199 is a prime.

It is a super-3 number, since 3×1211404432023³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211404432003) 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 11 ways as a sum of consecutive naturals, for example, 200890 + ... + 1569447.

It is an arithmetic number, because the mean of its divisors is an integer number (145819200384).

Almost surely, 2^{1211404432023} is an apocalyptic number.

1211404432023 is a deficient number, since it is larger than the sum of its proper divisors (538425972585).

1211404432023 is a wasteful number, since it uses less digits than its factorization.

1211404432023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1846374 (or 1846371 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1211404432023 its reverse (3202344041121), we get a palindrome (4413748473144).

The spelling of 1211404432023 in words is "one trillion, two hundred eleven billion, four hundred four million, four hundred thirty-two thousand, twenty-three".