4021343123402 has 16 divisors (see below), whose sum is σ = 6640750116000. Its totient is φ = 1811113665840.

The previous prime is 4021343123401. The next prime is 4021343123407. The reversal of 4021343123402 is 2043213431204.

It is a super-2 number, since 2×4021343123402² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4021343123401) 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 7 ways as a sum of consecutive naturals, for example, 838476152 + ... + 838480947.

It is an arithmetic number, because the mean of its divisors is an integer number (415046882250).

Almost surely, 2^{4021343123402} is an apocalyptic number.

4021343123402 is a deficient number, since it is larger than the sum of its proper divisors (2619406992598).

4021343123402 is a wasteful number, since it uses less digits than its factorization.

4021343123402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1676957221.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 4021343123402 its reverse (2043213431204), we get a palindrome (6064556554606).

The spelling of 4021343123402 in words is "four trillion, twenty-one billion, three hundred forty-three million, one hundred twenty-three thousand, four hundred two".