123311330023 has 16 divisors (see below), whose sum is σ = 141628032000. Its totient is φ = 105171134112.

The previous prime is 123311330017. The next prime is 123311330029. The reversal of 123311330023 is 320033113321.

It is an interprime number because it is at equal distance from previous prime (123311330017) and next prime (123311330029).

It is a cyclic number.

It is not a de Polignac number, because 123311330023 - 2¹³ = 123311321831 is a prime.

It is a super-2 number, since 2×123311330023² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123311329976 and 123311330003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123311330029) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1086898 + ... + 1194976.

It is an arithmetic number, because the mean of its divisors is an integer number (8851752000).

Almost surely, 2^123311330023 is an apocalyptic number.

123311330023 is a deficient number, since it is larger than the sum of its proper divisors (18316701977).

123311330023 is a wasteful number, since it uses less digits than its factorization.

123311330023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108894.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 123311330023 its reverse (320033113321), we get a palindrome (443344443344).

The spelling of 123311330023 in words is "one hundred twenty-three billion, three hundred eleven million, three hundred thirty thousand, twenty-three".