102443423055412 has 6 divisors (see below), whose sum is σ = 179275990346978. Its totient is φ = 51221711527704.

The previous prime is 102443423055409. The next prime is 102443423055427. The reversal of 102443423055412 is 214550324344201.

It can be written as a sum of positive squares in only one way, i.e., 94226509077156 + 8216913978256 = 9707034^2 + 2866516^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12805427881923 + ... + 12805427881930.

Almost surely, 2^{102443423055412} is an apocalyptic number.

It is an amenable number.

102443423055412 is a deficient number, since it is larger than the sum of its proper divisors (76832567291566).

102443423055412 is a wasteful number, since it uses less digits than its factorization.

102443423055412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25610855763857 (or 25610855763855 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 40.

Adding to 102443423055412 its reverse (214550324344201), we get a palindrome (316993747399613).

The spelling of 102443423055412 in words is "one hundred two trillion, four hundred forty-three billion, four hundred twenty-three million, fifty-five thousand, four hundred twelve".