423209323211 has 8 divisors (see below), whose sum is σ = 442615683840. Its totient is φ = 403886792232.

The previous prime is 423209323193. The next prime is 423209323267. The reversal of 423209323211 is 112323902324.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423209323211 is a prime.

It is a super-2 number, since 2×423209323211² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423209323711) 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, 20947085 + ... + 20967278.

It is an arithmetic number, because the mean of its divisors is an integer number (55326960480).

Almost surely, 2^423209323211 is an apocalyptic number.

423209323211 is a deficient number, since it is larger than the sum of its proper divisors (19406360629).

423209323211 is a wasteful number, since it uses less digits than its factorization.

423209323211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41914825.

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 423209323211 in words is "four hundred twenty-three billion, two hundred nine million, three hundred twenty-three thousand, two hundred eleven".