3201981423 has 4 divisors (see below), whose sum is σ = 4269308568. Its totient is φ = 2134654280.

The previous prime is 3201981421. The next prime is 3201981463. The reversal of 3201981423 is 3241891023.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3201981423 - 2¹ = 3201981421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3201981421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 533663568 + ... + 533663573.

It is an arithmetic number, because the mean of its divisors is an integer number (1067327142).

Almost surely, 2^3201981423 is an apocalyptic number.

3201981423 is a deficient number, since it is larger than the sum of its proper divisors (1067327145).

3201981423 is a wasteful number, since it uses less digits than its factorization.

3201981423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067327144.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 3201981423 is about 56586.0532551971. The cubic root of 3201981423 is about 1473.9166877325.

The spelling of 3201981423 in words is "three billion, two hundred one million, nine hundred eighty-one thousand, four hundred twenty-three".