2100135523323 has 32 divisors (see below), whose sum is σ = 2850690124800. Its totient is φ = 1375076160000.

The previous prime is 2100135523303. The next prime is 2100135523327. The reversal of 2100135523323 is 3233255310012.

It is a happy number.

It is not a de Polignac number, because 2100135523323 - 2⁸ = 2100135523067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2100135523327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50561758 + ... + 50603276.

It is an arithmetic number, because the mean of its divisors is an integer number (89084066400).

Almost surely, 2^{2100135523323} is an apocalyptic number.

2100135523323 is a deficient number, since it is larger than the sum of its proper divisors (750554601477).

2100135523323 is a wasteful number, since it uses less digits than its factorization.

2100135523323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42963.

The product of its (nonzero) digits is 16200, while the sum is 30.

The spelling of 2100135523323 in words is "two trillion, one hundred billion, one hundred thirty-five million, five hundred twenty-three thousand, three hundred twenty-three".