201622345523 has 2 divisors, whose sum is σ = 201622345524. Its totient is φ = 201622345522.

The previous prime is 201622345361. The next prime is 201622345537. The reversal of 201622345523 is 325543226102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201622345523 is a prime.

It is not a weakly prime, because it can be changed into another prime (201622345583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100811172761 + 100811172762.

It is an arithmetic number, because the mean of its divisors is an integer number (100811172762).

Almost surely, 2^201622345523 is an apocalyptic number.

201622345523 is a deficient number, since it is larger than the sum of its proper divisors (1).

201622345523 is an equidigital number, since it uses as much as digits as its factorization.

201622345523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 201622345523 in words is "two hundred one billion, six hundred twenty-two million, three hundred forty-five thousand, five hundred twenty-three".