123215404230 has 80 divisors (see below), whose sum is σ = 332061382224. Its totient is φ = 32783175360.

The previous prime is 123215404171. The next prime is 123215404237. The reversal of 123215404230 is 32404512321.

123215404230 is a `hidden beast` number, since 1 + 2 + 3 + 21 + 5 + 404 + 230 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 123215404194 and 123215404203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123215404237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 187140 + ... + 530520.

Almost surely, 2^123215404230 is an apocalyptic number.

123215404230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 123215404230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166030691112).

123215404230 is an abundant number, since it is smaller than the sum of its proper divisors (208845977994).

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

123215404230 is a wasteful number, since it uses less digits than its factorization.

123215404230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343843 (or 343834 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 123215404230 its reverse (32404512321), we get a palindrome (155619916551).

The spelling of 123215404230 in words is "one hundred twenty-three billion, two hundred fifteen million, four hundred four thousand, two hundred thirty".