123311122023 has 8 divisors (see below), whose sum is σ = 164744320000. Its totient is φ = 82042669368.

The previous prime is 123311121961. The next prime is 123311122037. The reversal of 123311122023 is 320221113321.

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

It is not a de Polignac number, because 123311122023 - 2⁶ = 123311121959 is a prime.

It is a super-2 number, since 2×123311122023² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123311122043) 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, 41184583 + ... + 41187576.

It is an arithmetic number, because the mean of its divisors is an integer number (20593040000).

Almost surely, 2^123311122023 is an apocalyptic number.

123311122023 is a deficient number, since it is larger than the sum of its proper divisors (41433197977).

123311122023 is an equidigital number, since it uses as much as digits as its factorization.

123311122023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82372661.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 123311122023 its reverse (320221113321), we get a palindrome (443532235344).

The spelling of 123311122023 in words is "one hundred twenty-three billion, three hundred eleven million, one hundred twenty-two thousand, twenty-three".