113121112023 has 6 divisors (see below), whose sum is σ = 163397161824. Its totient is φ = 75414074676.

The previous prime is 113121111977. The next prime is 113121112043. The reversal of 113121112023 is 320211121311.

It is not a de Polignac number, because 113121112023 - 2²¹ = 113119014871 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113121111987 and 113121112005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113121112043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6284506215 + ... + 6284506232.

It is an arithmetic number, because the mean of its divisors is an integer number (27232860304).

Almost surely, 2^113121112023 is an apocalyptic number.

113121112023 is a deficient number, since it is larger than the sum of its proper divisors (50276049801).

113121112023 is a wasteful number, since it uses less digits than its factorization.

113121112023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12569012453 (or 12569012450 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 113121112023 its reverse (320211121311), we get a palindrome (433332233334).

The spelling of 113121112023 in words is "one hundred thirteen billion, one hundred twenty-one million, one hundred twelve thousand, twenty-three".