4021423122309 has 8 divisors (see below), whose sum is σ = 5373528512352. Its totient is φ = 2675133240240.

The previous prime is 4021423122307. The next prime is 4021423122347. The reversal of 4021423122309 is 9032213241204.

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

It is not a de Polignac number, because 4021423122309 - 2¹ = 4021423122307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4021423122309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021423122307) 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, 1453875379 + ... + 1453878144.

It is an arithmetic number, because the mean of its divisors is an integer number (671691064044).

Almost surely, 2^{4021423122309} is an apocalyptic number.

It is an amenable number.

4021423122309 is a deficient number, since it is larger than the sum of its proper divisors (1352105390043).

4021423122309 is a wasteful number, since it uses less digits than its factorization.

4021423122309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2907753987.

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 4021423122309 in words is "four trillion, twenty-one billion, four hundred twenty-three million, one hundred twenty-two thousand, three hundred nine".