4351121201323 has 16 divisors (see below), whose sum is σ = 4934848216480. Its totient is φ = 3803175224064.

The previous prime is 4351121201293. The next prime is 4351121201369. The reversal of 4351121201323 is 3231021211534.

It is not a de Polignac number, because 4351121201323 - 2¹³ = 4351121193131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4351121201291 and 4351121201300.

It is not an unprimeable number, because it can be changed into a prime (4351121201123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3783186 + ... + 4797367.

It is an arithmetic number, because the mean of its divisors is an integer number (308428013530).

Almost surely, 2^{4351121201323} is an apocalyptic number.

4351121201323 is a deficient number, since it is larger than the sum of its proper divisors (583727015157).

4351121201323 is a wasteful number, since it uses less digits than its factorization.

4351121201323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8582638.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 4351121201323 its reverse (3231021211534), we get a palindrome (7582142412857).

The spelling of 4351121201323 in words is "four trillion, three hundred fifty-one billion, one hundred twenty-one million, two hundred one thousand, three hundred twenty-three".