2153350020123 has 16 divisors (see below), whose sum is σ = 3190231497600. Its totient is φ = 1435529186280.

The previous prime is 2153350020013. The next prime is 2153350020163. The reversal of 2153350020123 is 3210200533512.

It is a happy number.

2153350020123 is a `hidden beast` number, since 2 + 1 + 5 + 33 + 500 + 2 + 0 + 123 = 666.

It is not a de Polignac number, because 2153350020123 - 2¹³ = 2153350011931 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2153350020163) 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, 31528 + ... + 2075498.

It is an arithmetic number, because the mean of its divisors is an integer number (199389468600).

Almost surely, 2^{2153350020123} is an apocalyptic number.

2153350020123 is a deficient number, since it is larger than the sum of its proper divisors (1036881477477).

2153350020123 is a wasteful number, since it uses less digits than its factorization.

2153350020123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2082999 (or 2082993 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 2153350020123 its reverse (3210200533512), we get a palindrome (5363550553635).

The spelling of 2153350020123 in words is "two trillion, one hundred fifty-three billion, three hundred fifty million, twenty thousand, one hundred twenty-three".