321023442540434 has 16 divisors (see below), whose sum is σ = 481579114049088. Its totient is φ = 160497071888112.

The previous prime is 321023442540421. The next prime is 321023442540469. The reversal of 321023442540434 is 434045244320123.

It is a super-2 number, since 2×321023442540434² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321023442540391 and 321023442540400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1063097579 + ... + 1063399505.

It is an arithmetic number, because the mean of its divisors is an integer number (30098694628068).

Almost surely, 2^{321023442540434} is an apocalyptic number.

321023442540434 is a deficient number, since it is larger than the sum of its proper divisors (160555671508654).

321023442540434 is a wasteful number, since it uses less digits than its factorization.

321023442540434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348689.

The product of its (nonzero) digits is 1105920, while the sum is 41.

Adding to 321023442540434 its reverse (434045244320123), we get a palindrome (755068686860557).

The spelling of 321023442540434 in words is "three hundred twenty-one trillion, twenty-three billion, four hundred forty-two million, five hundred forty thousand, four hundred thirty-four".