123012245343 has 16 divisors (see below), whose sum is σ = 176645913696. Its totient is φ = 75694295040.

The previous prime is 123012245329. The next prime is 123012245351. The reversal of 123012245343 is 343542210321.

It is not a de Polignac number, because 123012245343 - 2²⁹ = 122475374431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123012245343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123012245393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 459571 + ... + 676187.

It is an arithmetic number, because the mean of its divisors is an integer number (11040369606).

Almost surely, 2^123012245343 is an apocalyptic number.

123012245343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123012245343 is a deficient number, since it is larger than the sum of its proper divisors (53633668353).

123012245343 is a wasteful number, since it uses less digits than its factorization.

123012245343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231194.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 123012245343 its reverse (343542210321), we get a palindrome (466554455664).

The spelling of 123012245343 in words is "one hundred twenty-three billion, twelve million, two hundred forty-five thousand, three hundred forty-three".