4013230321402 has 4 divisors (see below), whose sum is σ = 6019845482106. Its totient is φ = 2006615160700.

The previous prime is 4013230321393. The next prime is 4013230321409. The reversal of 4013230321402 is 2041230323104.

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

It can be written as a sum of positive squares in only one way, i.e., 4012854310521 + 376010881 = 2003211^2 + 19391^2 .

It is a super-2 number, since 2×4013230321402² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4013230321409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1003307580349 + ... + 1003307580352.

Almost surely, 2^{4013230321402} is an apocalyptic number.

4013230321402 is a deficient number, since it is larger than the sum of its proper divisors (2006615160704).

4013230321402 is a wasteful number, since it uses less digits than its factorization.

4013230321402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2006615160703.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 4013230321402 its reverse (2041230323104), we get a palindrome (6054460644506).

The spelling of 4013230321402 in words is "four trillion, thirteen billion, two hundred thirty million, three hundred twenty-one thousand, four hundred two".