123012232123 has 8 divisors (see below), whose sum is σ = 134220110256. Its totient is φ = 111808512000.

The previous prime is 123012232117. The next prime is 123012232127. The reversal of 123012232123 is 321232210321.

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

It is a cyclic number.

It is not a de Polignac number, because 123012232123 - 2³³ = 114422297531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123012232094 and 123012232103.

It is not an unprimeable number, because it can be changed into a prime (123012232127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 977478 + ... + 1096123.

It is an arithmetic number, because the mean of its divisors is an integer number (16777513782).

Almost surely, 2^123012232123 is an apocalyptic number.

123012232123 is a deficient number, since it is larger than the sum of its proper divisors (11207878133).

123012232123 is a wasteful number, since it uses less digits than its factorization.

123012232123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2079005.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 123012232123 its reverse (321232210321), we get a palindrome (444244442444).

The spelling of 123012232123 in words is "one hundred twenty-three billion, twelve million, two hundred thirty-two thousand, one hundred twenty-three".