12231323432534 has 8 divisors (see below), whose sum is σ = 18647755397328. Its totient is φ = 6015404966760.

The previous prime is 12231323432477. The next prime is 12231323432551. The reversal of 12231323432534 is 43523432313221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12231323432534² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50128374602 + ... + 50128374845.

It is an arithmetic number, because the mean of its divisors is an integer number (2330969424666).

Almost surely, 2^{12231323432534} is an apocalyptic number.

12231323432534 is a deficient number, since it is larger than the sum of its proper divisors (6416431964794).

12231323432534 is a wasteful number, since it uses less digits than its factorization.

12231323432534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100256749510.

The product of its digits is 311040, while the sum is 38.

Adding to 12231323432534 its reverse (43523432313221), we get a palindrome (55754755745755).

The spelling of 12231323432534 in words is "twelve trillion, two hundred thirty-one billion, three hundred twenty-three million, four hundred thirty-two thousand, five hundred thirty-four".