123011231330 has 32 divisors (see below), whose sum is σ = 243997959744. Its totient is φ = 44363261376.

The previous prime is 123011231267. The next prime is 123011231333. The reversal of 123011231330 is 33132110321.

It is not an unprimeable number, because it can be changed into a prime (123011231333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10997204 + ... + 11008383.

It is an arithmetic number, because the mean of its divisors is an integer number (7624936242).

Almost surely, 2^123011231330 is an apocalyptic number.

123011231330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123011231330 is a deficient number, since it is larger than the sum of its proper divisors (120986728414).

123011231330 is a wasteful number, since it uses less digits than its factorization.

123011231330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22005650.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 123011231330 its reverse (33132110321), we get a palindrome (156143341651).

The spelling of 123011231330 in words is "one hundred twenty-three billion, eleven million, two hundred thirty-one thousand, three hundred thirty".