120123423343 has 16 divisors (see below), whose sum is σ = 149995805184. Its totient is φ = 93457956960.

The previous prime is 120123423337. The next prime is 120123423347. The reversal of 120123423343 is 343324321021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 120123423343 - 2¹³ = 120123415151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120123423347) 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, 1155780 + ... + 1255417.

It is an arithmetic number, because the mean of its divisors is an integer number (9374737824).

Almost surely, 2^120123423343 is an apocalyptic number.

120123423343 is a deficient number, since it is larger than the sum of its proper divisors (29872381841).

120123423343 is a wasteful number, since it uses less digits than its factorization.

120123423343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2411862.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 120123423343 its reverse (343324321021), we get a palindrome (463447744364).

The spelling of 120123423343 in words is "one hundred twenty billion, one hundred twenty-three million, four hundred twenty-three thousand, three hundred forty-three".