1602191923 has 2 divisors, whose sum is σ = 1602191924. Its totient is φ = 1602191922.

The previous prime is 1602191917. The next prime is 1602191953. The reversal of 1602191923 is 3291912061.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1602191923 - 2¹⁷ = 1602060851 is a prime.

It is not a weakly prime, because it can be changed into another prime (1602191953) 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, 801095961 + 801095962.

It is an arithmetic number, because the mean of its divisors is an integer number (801095962).

Almost surely, 2^1602191923 is an apocalyptic number.

1602191923 is a deficient number, since it is larger than the sum of its proper divisors (1).

1602191923 is an equidigital number, since it uses as much as digits as its factorization.

1602191923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 1602191923 is about 40027.3896600815. The cubic root of 1602191923 is about 1170.1409533837.

The spelling of 1602191923 in words is "one billion, six hundred two million, one hundred ninety-one thousand, nine hundred twenty-three".