1105123312230 has 64 divisors (see below), whose sum is σ = 3072718637568. Its totient is φ = 249139342080.

The previous prime is 1105123312201. The next prime is 1105123312291. The reversal of 1105123312230 is 322133215011.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1105123312230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36029136 + ... + 36059795.

It is an arithmetic number, because the mean of its divisors is an integer number (48011228712).

Almost surely, 2^{1105123312230} is an apocalyptic number.

1105123312230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1105123312230 is an abundant number, since it is smaller than the sum of its proper divisors (1967595325338).

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

1105123312230 is a wasteful number, since it uses less digits than its factorization.

1105123312230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72089021.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 1105123312230 its reverse (322133215011), we get a palindrome (1427256527241).

The spelling of 1105123312230 in words is "one trillion, one hundred five billion, one hundred twenty-three million, three hundred twelve thousand, two hundred thirty".