113211021023 has 4 divisors (see below), whose sum is σ = 113215738608. Its totient is φ = 113206303440.

The previous prime is 113211021017. The next prime is 113211021031. The reversal of 113211021023 is 320120112311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113211021023 - 2⁶ = 113211020959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113211020992 and 113211021010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113211021043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2322611 + ... + 2370852.

It is an arithmetic number, because the mean of its divisors is an integer number (28303934652).

Almost surely, 2^113211021023 is an apocalyptic number.

113211021023 is a deficient number, since it is larger than the sum of its proper divisors (4717585).

113211021023 is an equidigital number, since it uses as much as digits as its factorization.

113211021023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4717584.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 113211021023 its reverse (320120112311), we get a palindrome (433331133334).

The spelling of 113211021023 in words is "one hundred thirteen billion, two hundred eleven million, twenty-one thousand, twenty-three".