195240623 has 2 divisors, whose sum is σ = 195240624. Its totient is φ = 195240622.

The previous prime is 195240589. The next prime is 195240659. The reversal of 195240623 is 326042591.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 195240623 - 2¹⁸ = 194978479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 195240623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (195245623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97620311 + 97620312.

It is an arithmetic number, because the mean of its divisors is an integer number (97620312).

Almost surely, 2^195240623 is an apocalyptic number.

195240623 is a deficient number, since it is larger than the sum of its proper divisors (1).

195240623 is an equidigital number, since it uses as much as digits as its factorization.

195240623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 195240623 is about 13972.8530730127. The cubic root of 195240623 is about 580.1274224598.

The spelling of 195240623 in words is "one hundred ninety-five million, two hundred forty thousand, six hundred twenty-three".