423340401340 has 48 divisors (see below), whose sum is σ = 901303341120. Its totient is φ = 166996062720.

The previous prime is 423340401311. The next prime is 423340401377. The reversal of 423340401340 is 43104043324.

It is a junction number, because it is equal to n+sod(n) for n = 423340401299 and 423340401308.

It is a congruent number.

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, 18663526 + ... + 18686194.

It is an arithmetic number, because the mean of its divisors is an integer number (18777152940).

Almost surely, 2^423340401340 is an apocalyptic number.

It is an amenable number.

423340401340 is an abundant number, since it is smaller than the sum of its proper divisors (477962939780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423340401340 is a wasteful number, since it uses less digits than its factorization.

423340401340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35542 (or 35540 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 423340401340 its reverse (43104043324), we get a palindrome (466444444664).

The spelling of 423340401340 in words is "four hundred twenty-three billion, three hundred forty million, four hundred one thousand, three hundred forty".