1431122123432 has 8 divisors (see below), whose sum is σ = 2683353981450. Its totient is φ = 715561061712.

The previous prime is 1431122123393. The next prime is 1431122123441. The reversal of 1431122123432 is 2343212211341.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 855821111236 + 575301012196 = 925106^2 + 758486^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1431122123432² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1431122123395 and 1431122123404.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 89445132707 + ... + 89445132722.

Almost surely, 2^{1431122123432} is an apocalyptic number.

It is an amenable number.

1431122123432 is a deficient number, since it is larger than the sum of its proper divisors (1252231858018).

1431122123432 is a wasteful number, since it uses less digits than its factorization.

1431122123432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178890265435 (or 178890265431 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

Adding to 1431122123432 its reverse (2343212211341), we get a palindrome (3774334334773).

The spelling of 1431122123432 in words is "one trillion, four hundred thirty-one billion, one hundred twenty-two million, one hundred twenty-three thousand, four hundred thirty-two".