11312012232223 has 8 divisors (see below), whose sum is σ = 11316706390976. Its totient is φ = 11307318422400.

The previous prime is 11312012232197. The next prime is 11312012232253. The reversal of 11312012232223 is 32223221021311.

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

It is a cyclic number.

It is not a de Polignac number, because 11312012232223 - 2¹⁷ = 11312012101151 is a prime.

It is the 3363334-th Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11312012232253) by changing a digit.

It is a nontrivial repunit in base 3363333.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79612963 + ... + 79754923.

It is an arithmetic number, because the mean of its divisors is an integer number (1414588298872).

Almost surely, 2^{11312012232223} is an apocalyptic number.

11312012232223 is a deficient number, since it is larger than the sum of its proper divisors (4694158753).

11312012232223 is a wasteful number, since it uses less digits than its factorization.

11312012232223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174465.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 11312012232223 its reverse (32223221021311), we get a palindrome (43535233253534).

The spelling of 11312012232223 in words is "eleven trillion, three hundred twelve billion, twelve million, two hundred thirty-two thousand, two hundred twenty-three".