123345072326 has 48 divisors (see below), whose sum is σ = 218851148880. Its totient is φ = 51972217920.

The previous prime is 123345072307. The next prime is 123345072341. The reversal of 123345072326 is 623270543321.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 123345072326.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22169621 + ... + 22175183.

It is an arithmetic number, because the mean of its divisors is an integer number (4559398935).

Almost surely, 2^123345072326 is an apocalyptic number.

123345072326 is a deficient number, since it is larger than the sum of its proper divisors (95506076554).

123345072326 is a wasteful number, since it uses less digits than its factorization.

123345072326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9349 (or 9342 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 38.

The spelling of 123345072326 in words is "one hundred twenty-three billion, three hundred forty-five million, seventy-two thousand, three hundred twenty-six".