123012315335343 has 24 divisors (see below), whose sum is σ = 190797112424880. Its totient is φ = 70291830241920.

The previous prime is 123012315335269. The next prime is 123012315335389. The reversal of 123012315335343 is 343533513210321.

It is not a de Polignac number, because 123012315335343 - 2⁸ = 123012315335087 is a prime.

It is a super-2 number, since 2×123012315335343² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123012315335243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5847883 + ... + 16739843.

It is an arithmetic number, because the mean of its divisors is an integer number (7949879684370).

Almost surely, 2^{123012315335343} is an apocalyptic number.

123012315335343 is a deficient number, since it is larger than the sum of its proper divisors (67784797089537).

123012315335343 is a wasteful number, since it uses less digits than its factorization.

123012315335343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10968807 (or 10968800 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 39.

Adding to 123012315335343 its reverse (343533513210321), we get a palindrome (466545828545664).

The spelling of 123012315335343 in words is "one hundred twenty-three trillion, twelve billion, three hundred fifteen million, three hundred thirty-five thousand, three hundred forty-three".