421323000323091 has 4 divisors (see below), whose sum is σ = 561764000430792. Its totient is φ = 280882000215392.

The previous prime is 421323000323041. The next prime is 421323000323161. The reversal of 421323000323091 is 190323000323124.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 421323000323091 - 2²¹ = 421322998225939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421323000323011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70220500053846 + ... + 70220500053851.

It is an arithmetic number, because the mean of its divisors is an integer number (140441000107698).

Almost surely, 2^{421323000323091} is an apocalyptic number.

421323000323091 is a deficient number, since it is larger than the sum of its proper divisors (140441000107701).

421323000323091 is a wasteful number, since it uses less digits than its factorization.

421323000323091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140441000107700.

The product of its (nonzero) digits is 23328, while the sum is 33.

Adding to 421323000323091 its sum of digits (33), we get a palindrome (421323000323124).

The spelling of 421323000323091 in words is "four hundred twenty-one trillion, three hundred twenty-three billion, three hundred twenty-three thousand, ninety-one".