421296799823 has 8 divisors (see below), whose sum is σ = 431584176240. Its totient is φ = 411009987520.

The previous prime is 421296799817. The next prime is 421296799843. The reversal of 421296799823 is 328997692124.

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

It is a cyclic number.

It is not a de Polignac number, because 421296799823 - 2²⁴ = 421280022607 is a prime.

It is a super-2 number, since 2×421296799823² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421296799843) 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, 1643036 + ... + 1882062.

It is an arithmetic number, because the mean of its divisors is an integer number (53948022030).

Almost surely, 2^421296799823 is an apocalyptic number.

421296799823 is a deficient number, since it is larger than the sum of its proper divisors (10287376417).

421296799823 is a wasteful number, since it uses less digits than its factorization.

421296799823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282057.

The product of its digits is 23514624, while the sum is 62.

The spelling of 421296799823 in words is "four hundred twenty-one billion, two hundred ninety-six million, seven hundred ninety-nine thousand, eight hundred twenty-three".