201453376123 has 2 divisors, whose sum is σ = 201453376124. Its totient is φ = 201453376122.

The previous prime is 201453376109. The next prime is 201453376133. The reversal of 201453376123 is 321673354102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201453376123 - 2¹⁷ = 201453245051 is a prime.

It is a super-2 number, since 2×201453376123² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (201453376133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100726688061 + 100726688062.

It is an arithmetic number, because the mean of its divisors is an integer number (100726688062).

Almost surely, 2^201453376123 is an apocalyptic number.

201453376123 is a deficient number, since it is larger than the sum of its proper divisors (1).

201453376123 is an equidigital number, since it uses as much as digits as its factorization.

201453376123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 37.

The spelling of 201453376123 in words is "two hundred one billion, four hundred fifty-three million, three hundred seventy-six thousand, one hundred twenty-three".