3953955923 has 2 divisors, whose sum is σ = 3953955924. Its totient is φ = 3953955922.

The previous prime is 3953955883. The next prime is 3953955947. The reversal of 3953955923 is 3295593593.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3953955923 - 2¹⁰ = 3953954899 is a prime.

It is not a weakly prime, because it can be changed into another prime (3953955223) 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, 1976977961 + 1976977962.

It is an arithmetic number, because the mean of its divisors is an integer number (1976977962).

Almost surely, 2^3953955923 is an apocalyptic number.

3953955923 is a deficient number, since it is larger than the sum of its proper divisors (1).

3953955923 is an equidigital number, since it uses as much as digits as its factorization.

3953955923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4920750, while the sum is 53.

The square root of 3953955923 is about 62880.4892077026. The cubic root of 3953955923 is about 1581.2866626337.

The spelling of 3953955923 in words is "three billion, nine hundred fifty-three million, nine hundred fifty-five thousand, nine hundred twenty-three".