123313033312 has 48 divisors (see below), whose sum is σ = 292057194240. Its totient is φ = 50066944128.

The previous prime is 123313033303. The next prime is 123313033321. The reversal of 123313033312 is 213330313321.

It is an interprime number because it is at equal distance from previous prime (123313033303) and next prime (123313033321).

It is a super-2 number, since 2×123313033312² (a number of 23 digits) contains 22 as substring.

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, 14482708 + ... + 14491219.

It is an arithmetic number, because the mean of its divisors is an integer number (6084524880).

Almost surely, 2^123313033312 is an apocalyptic number.

It is an amenable number.

123313033312 is an abundant number, since it is smaller than the sum of its proper divisors (168744160928).

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

123313033312 is a wasteful number, since it uses less digits than its factorization.

123313033312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28973963 (or 28973955 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 123313033312 its reverse (213330313321), we get a palindrome (336643346633).

The spelling of 123313033312 in words is "one hundred twenty-three billion, three hundred thirteen million, thirty-three thousand, three hundred twelve".