123591223446 has 16 divisors (see below), whose sum is σ = 260192049600. Its totient is φ = 39028807368.

The previous prime is 123591223421. The next prime is 123591223451. The reversal of 123591223446 is 644322195321.

It is a super-2 number, since 2×123591223446² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123591223398 and 123591223407.

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, 542066656 + ... + 542066883.

It is an arithmetic number, because the mean of its divisors is an integer number (16262003100).

Almost surely, 2^123591223446 is an apocalyptic number.

123591223446 is an abundant number, since it is smaller than the sum of its proper divisors (136600826154).

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

123591223446 is a wasteful number, since it uses less digits than its factorization.

123591223446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084133563.

The product of its digits is 311040, while the sum is 42.

The spelling of 123591223446 in words is "one hundred twenty-three billion, five hundred ninety-one million, two hundred twenty-three thousand, four hundred forty-six".