123321121396 has 24 divisors (see below), whose sum is σ = 236792120544. Its totient is φ = 55731034080.

The previous prime is 123321121381. The next prime is 123321121439. The reversal of 123321121396 is 693121123321.

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, 8092830 + ... + 8108053.

It is an arithmetic number, because the mean of its divisors is an integer number (9866338356).

Almost surely, 2^123321121396 is an apocalyptic number.

It is an amenable number.

123321121396 is a deficient number, since it is larger than the sum of its proper divisors (113470999148).

123321121396 is a wasteful number, since it uses less digits than its factorization.

123321121396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16201071 (or 16201069 counting only the distinct ones).

The product of its digits is 11664, while the sum is 34.

The spelling of 123321121396 in words is "one hundred twenty-three billion, three hundred twenty-one million, one hundred twenty-one thousand, three hundred ninety-six".