1623850201 has 2 divisors, whose sum is σ = 1623850202. Its totient is φ = 1623850200.

The previous prime is 1623850187. The next prime is 1623850213. The reversal of 1623850201 is 1020583261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 897601600 + 726248601 = 29960^2 + 26949^2 .

It is a cyclic number.

It is not a de Polignac number, because 1623850201 - 2¹³ = 1623842009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1623850201.

It is not a weakly prime, because it can be changed into another prime (1623850801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 811925100 + 811925101.

It is an arithmetic number, because the mean of its divisors is an integer number (811925101).

Almost surely, 2^1623850201 is an apocalyptic number.

It is an amenable number.

1623850201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1623850201 is an equidigital number, since it uses as much as digits as its factorization.

1623850201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1623850201 is about 40297.0247164726. The cubic root of 1623850201 is about 1175.3899899962.

The spelling of 1623850201 in words is "one billion, six hundred twenty-three million, eight hundred fifty thousand, two hundred one".