123011333023 has 4 divisors (see below), whose sum is σ = 123012607240. Its totient is φ = 123010058808.

The previous prime is 123011333009. The next prime is 123011333117. The reversal of 123011333023 is 320333110321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320333110321 = 7 ⋅45761872903.

It is a cyclic number.

It is not a de Polignac number, because 123011333023 - 2⁹ = 123011332511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123011332985 and 123011333003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123011334023) 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, 479265 + ... + 689722.

It is an arithmetic number, because the mean of its divisors is an integer number (30753151810).

Almost surely, 2^123011333023 is an apocalyptic number.

123011333023 is a deficient number, since it is larger than the sum of its proper divisors (1274217).

123011333023 is a wasteful number, since it uses less digits than its factorization.

123011333023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274216.

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

Adding to 123011333023 its reverse (320333110321), we get a palindrome (443344443344).

The spelling of 123011333023 in words is "one hundred twenty-three billion, eleven million, three hundred thirty-three thousand, twenty-three".