421023143326 has 8 divisors (see below), whose sum is σ = 631542135240. Its totient is φ = 210509098248.

The previous prime is 421023143251. The next prime is 421023143327. The reversal of 421023143326 is 623341320124.

It is a happy number.

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

It is a super-2 number, since 2×421023143326² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421023143327) 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, 1016061 + ... + 1369096.

It is an arithmetic number, because the mean of its divisors is an integer number (78942766905).

Almost surely, 2^421023143326 is an apocalyptic number.

421023143326 is a deficient number, since it is larger than the sum of its proper divisors (210518991914).

421023143326 is a wasteful number, since it uses less digits than its factorization.

421023143326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2473418.

The product of its (nonzero) digits is 20736, while the sum is 31.

The spelling of 421023143326 in words is "four hundred twenty-one billion, twenty-three million, one hundred forty-three thousand, three hundred twenty-six".