421343423122 has 32 divisors (see below), whose sum is σ = 674925465600. Its totient is φ = 196694137728.

The previous prime is 421343423117. The next prime is 421343423159. The reversal of 421343423122 is 221324343124.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3488568 + ... + 3607324.

It is an arithmetic number, because the mean of its divisors is an integer number (21091420800).

Almost surely, 2^421343423122 is an apocalyptic number.

421343423122 is a deficient number, since it is larger than the sum of its proper divisors (253582042478).

421343423122 is a wasteful number, since it uses less digits than its factorization.

421343423122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120130.

The product of its digits is 27648, while the sum is 31.

Adding to 421343423122 its reverse (221324343124), we get a palindrome (642667766246).

The spelling of 421343423122 in words is "four hundred twenty-one billion, three hundred forty-three million, four hundred twenty-three thousand, one hundred twenty-two".