123431033211034 has 16 divisors (see below), whose sum is σ = 192119642320896. Its totient is φ = 59411998753200.

The previous prime is 123431033211011. The next prime is 123431033211037. The reversal of 123431033211034 is 430112330134321.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 123431033210987 and 123431033211005.

It is not an unprimeable number, because it can be changed into a prime (123431033211037) 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 7 ways as a sum of consecutive naturals, for example, 5211566997 + ... + 5211590680.

It is an arithmetic number, because the mean of its divisors is an integer number (12007477645056).

Almost surely, 2^{123431033211034} is an apocalyptic number.

123431033211034 is a deficient number, since it is larger than the sum of its proper divisors (68688609109862).

123431033211034 is a wasteful number, since it uses less digits than its factorization.

123431033211034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10423157901.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 123431033211034 its reverse (430112330134321), we get a palindrome (553543363345355).

The spelling of 123431033211034 in words is "one hundred twenty-three trillion, four hundred thirty-one billion, thirty-three million, two hundred eleven thousand, thirty-four".