3420021040323 has 8 divisors (see below), whose sum is σ = 4560275136336. Its totient is φ = 2279890485600.

The previous prime is 3420021040309. The next prime is 3420021040339. The reversal of 3420021040323 is 3230401200243.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3420021040323 - 2²⁴ = 3420004263107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3420021040293 and 3420021040302.

It is not an unprimeable number, because it can be changed into a prime (3420021040223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30820708 + ... + 30931473.

It is an arithmetic number, because the mean of its divisors is an integer number (570034392042).

Almost surely, 2^{3420021040323} is an apocalyptic number.

3420021040323 is a deficient number, since it is larger than the sum of its proper divisors (1140254096013).

3420021040323 is a wasteful number, since it uses less digits than its factorization.

3420021040323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61770645.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 3420021040323 its reverse (3230401200243), we get a palindrome (6650422240566).

The spelling of 3420021040323 in words is "three trillion, four hundred twenty billion, twenty-one million, forty thousand, three hundred twenty-three".