123455424205532 has 48 divisors (see below), whose sum is σ = 240668424587808. Its totient is φ = 55147795015680.

The previous prime is 123455424205423. The next prime is 123455424205637. The reversal of 123455424205532 is 235502424554321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 598288718 + ... + 598495029.

It is an arithmetic number, because the mean of its divisors is an integer number (5013925512246).

Almost surely, 2^{123455424205532} is an apocalyptic number.

It is an amenable number.

123455424205532 is a deficient number, since it is larger than the sum of its proper divisors (117213000382276).

123455424205532 is a wasteful number, since it uses less digits than its factorization.

123455424205532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196783846 (or 1196783844 counting only the distinct ones).

The product of its (nonzero) digits is 5760000, while the sum is 47.

Adding to 123455424205532 its reverse (235502424554321), we get a palindrome (358957848759853).

The spelling of 123455424205532 in words is "one hundred twenty-three trillion, four hundred fifty-five billion, four hundred twenty-four million, two hundred five thousand, five hundred thirty-two".