1964106423 has 12 divisors (see below), whose sum is σ = 2837468920. Its totient is φ = 1309207536.

The previous prime is 1964106341. The next prime is 1964106427. The reversal of 1964106423 is 3246014691.

1964106423 is a `hidden beast` number, since 1 + 9 + 6 + 4 + 1 + 0 + 642 + 3 = 666.

It is not a de Polignac number, because 1964106423 - 2⁸ = 1964106167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1964106427) 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 in 11 ways as a sum of consecutive naturals, for example, 71793 + ... + 95301.

Almost surely, 2^1964106423 is an apocalyptic number.

1964106423 is a deficient number, since it is larger than the sum of its proper divisors (873362497).

1964106423 is a wasteful number, since it uses less digits than its factorization.

1964106423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32798 (or 32795 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 1964106423 is about 44318.2402967446. The cubic root of 1964106423 is about 1252.3383266286.

The spelling of 1964106423 in words is "one billion, nine hundred sixty-four million, one hundred six thousand, four hundred twenty-three".