201267623 has 2 divisors, whose sum is σ = 201267624. Its totient is φ = 201267622.

The previous prime is 201267601. The next prime is 201267629. The reversal of 201267623 is 326762102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201267623 - 2¹⁸ = 201005479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201267629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100633811 + 100633812.

It is an arithmetic number, because the mean of its divisors is an integer number (100633812).

Almost surely, 2^201267623 is an apocalyptic number.

201267623 is a deficient number, since it is larger than the sum of its proper divisors (1).

201267623 is an equidigital number, since it uses as much as digits as its factorization.

201267623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 201267623 is about 14186.8820746491. The cubic root of 201267623 is about 586.0364638906.

The spelling of 201267623 in words is "two hundred one million, two hundred sixty-seven thousand, six hundred twenty-three".