201323012479 has 2 divisors, whose sum is σ = 201323012480. Its totient is φ = 201323012478.

The previous prime is 201323012369. The next prime is 201323012519. The reversal of 201323012479 is 974210323102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201323012479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201323012179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100661506239 + 100661506240.

It is an arithmetic number, because the mean of its divisors is an integer number (100661506240).

Almost surely, 2^201323012479 is an apocalyptic number.

201323012479 is a deficient number, since it is larger than the sum of its proper divisors (1).

201323012479 is an equidigital number, since it uses as much as digits as its factorization.

201323012479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 34.

The spelling of 201323012479 in words is "two hundred one billion, three hundred twenty-three million, twelve thousand, four hundred seventy-nine".