111123202023232 has 56 divisors (see below), whose sum is σ = 253277937334400. Its totient is φ = 47384911664640.

The previous prime is 111123202023227. The next prime is 111123202023257. The reversal of 111123202023232 is 232320202321111.

It is a tau number, because it is divible by the number of its divisors (56).

It is a junction number, because it is equal to n+sod(n) for n = 111123202023197 and 111123202023206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 623134119 + ... + 623312422.

Almost surely, 2^{111123202023232} is an apocalyptic number.

It is an amenable number.

111123202023232 is an abundant number, since it is smaller than the sum of its proper divisors (142154735311168).

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

111123202023232 is a wasteful number, since it uses less digits than its factorization.

111123202023232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246446759 (or 1246446749 counting only the distinct ones).

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

Adding to 111123202023232 its reverse (232320202321111), we get a palindrome (343443404344343).

The spelling of 111123202023232 in words is "one hundred eleven trillion, one hundred twenty-three billion, two hundred two million, twenty-three thousand, two hundred thirty-two".