120203143153 has 2 divisors, whose sum is σ = 120203143154. Its totient is φ = 120203143152.

The previous prime is 120203143147. The next prime is 120203143169. The reversal of 120203143153 is 351341302021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112767012864 + 7436130289 = 335808^2 + 86233^2 .

It is a cyclic number.

It is not a de Polignac number, because 120203143153 - 2⁹ = 120203142641 is a prime.

It is a super-2 number, since 2×120203143153² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120203143133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60101571576 + 60101571577.

It is an arithmetic number, because the mean of its divisors is an integer number (60101571577).

Almost surely, 2^120203143153 is an apocalyptic number.

It is an amenable number.

120203143153 is a deficient number, since it is larger than the sum of its proper divisors (1).

120203143153 is an equidigital number, since it uses as much as digits as its factorization.

120203143153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 120203143153 its reverse (351341302021), we get a palindrome (471544445174).

The spelling of 120203143153 in words is "one hundred twenty billion, two hundred three million, one hundred forty-three thousand, one hundred fifty-three".