3421204823 has 2 divisors, whose sum is σ = 3421204824. Its totient is φ = 3421204822.

The previous prime is 3421204799. The next prime is 3421204859. The reversal of 3421204823 is 3284021243.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3421204823 is a prime.

It is a super-2 number, since 2×3421204823² = 23409284881836922658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3421203823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710602411 + 1710602412.

It is an arithmetic number, because the mean of its divisors is an integer number (1710602412).

Almost surely, 2^3421204823 is an apocalyptic number.

3421204823 is a deficient number, since it is larger than the sum of its proper divisors (1).

3421204823 is an equidigital number, since it uses as much as digits as its factorization.

3421204823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 3421204823 is about 58491.0661810844. The cubic root of 3421204823 is about 1506.8141569324.

The spelling of 3421204823 in words is "three billion, four hundred twenty-one million, two hundred four thousand, eight hundred twenty-three".