423403234012 has 24 divisors (see below), whose sum is σ = 817397466480. Its totient is φ = 190293586560.

The previous prime is 423403233971. The next prime is 423403234021. The reversal of 423403234012 is 210432304324.

It is a super-2 number, since 2×423403234012² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54056763 + ... + 54064594.

It is an arithmetic number, because the mean of its divisors is an integer number (34058227770).

Almost surely, 2^423403234012 is an apocalyptic number.

It is an amenable number.

423403234012 is a deficient number, since it is larger than the sum of its proper divisors (393994232468).

423403234012 is a wasteful number, since it uses less digits than its factorization.

423403234012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108121461 (or 108121459 counting only the distinct ones).

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

Adding to 423403234012 its reverse (210432304324), we get a palindrome (633835538336).

The spelling of 423403234012 in words is "four hundred twenty-three billion, four hundred three million, two hundred thirty-four thousand, twelve".