123031333340 has 12 divisors (see below), whose sum is σ = 258365800056. Its totient is φ = 49212533328.

The previous prime is 123031333339. The next prime is 123031333367. The reversal of 123031333340 is 43333130321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3075783314 + ... + 3075783353.

It is an arithmetic number, because the mean of its divisors is an integer number (21530483338).

Almost surely, 2^123031333340 is an apocalyptic number.

123031333340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123031333340 is an abundant number, since it is smaller than the sum of its proper divisors (135334466716).

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

123031333340 is a wasteful number, since it uses less digits than its factorization.

123031333340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6151566676 (or 6151566674 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 123031333340 its reverse (43333130321), we get a palindrome (166364463661).

The spelling of 123031333340 in words is "one hundred twenty-three billion, thirty-one million, three hundred thirty-three thousand, three hundred forty".