123422356412 has 24 divisors (see below), whose sum is σ = 216224190336. Its totient is φ = 61644059568.

The previous prime is 123422356381. The next prime is 123422356433. The reversal of 123422356412 is 214653224321.

It is a happy number.

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, 19894103 + ... + 19900305.

It is an arithmetic number, because the mean of its divisors is an integer number (9009341264).

Almost surely, 2^123422356412 is an apocalyptic number.

It is an amenable number.

123422356412 is a deficient number, since it is larger than the sum of its proper divisors (92801833924).

123422356412 is a wasteful number, since it uses less digits than its factorization.

123422356412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10817 (or 10815 counting only the distinct ones).

The product of its digits is 69120, while the sum is 35.

The spelling of 123422356412 in words is "one hundred twenty-three billion, four hundred twenty-two million, three hundred fifty-six thousand, four hundred twelve".