120343203153 has 6 divisors (see below), whose sum is σ = 173829071234. Its totient is φ = 80228802096.

The previous prime is 120343203119. The next prime is 120343203173. The reversal of 120343203153 is 351302343021.

120343203153 is a `hidden beast` number, since 1 + 2 + 0 + 343 + 2 + 0 + 315 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 115116346944 + 5226856209 = 339288^2 + 72297^2 .

It is not a de Polignac number, because 120343203153 - 2⁸ = 120343202897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120343203173) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6685733500 + ... + 6685733517.

Almost surely, 2^120343203153 is an apocalyptic number.

It is an amenable number.

120343203153 is a deficient number, since it is larger than the sum of its proper divisors (53485868081).

120343203153 is a wasteful number, since it uses less digits than its factorization.

120343203153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13371467023 (or 13371467020 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

Adding to 120343203153 its reverse (351302343021), we get a palindrome (471645546174).

The spelling of 120343203153 in words is "one hundred twenty billion, three hundred forty-three million, two hundred three thousand, one hundred fifty-three".