11312100123 has 8 divisors (see below), whose sum is σ = 15084174336. Its totient is φ = 7540713000.

The previous prime is 11312100083. The next prime is 11312100127. The reversal of 11312100123 is 32100121311.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11312100123 - 2¹² = 11312096027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11312100127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132043 + ... + 200148.

It is an arithmetic number, because the mean of its divisors is an integer number (1885521792).

Almost surely, 2^11312100123 is an apocalyptic number.

11312100123 is a deficient number, since it is larger than the sum of its proper divisors (3772074213).

11312100123 is a wasteful number, since it uses less digits than its factorization.

11312100123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343545.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11312100123 its reverse (32100121311), we get a palindrome (43412221434).

The spelling of 11312100123 in words is "eleven billion, three hundred twelve million, one hundred thousand, one hundred twenty-three".