123011033033031 has 48 divisors (see below), whose sum is σ = 195929551947360. Its totient is φ = 68186008915200.

The previous prime is 123011033033003. The next prime is 123011033033171. The reversal of 123011033033031 is 130330330110321.

It is not a de Polignac number, because 123011033033031 - 2¹⁵ = 123011033000263 is a prime.

It is a super-2 number, since 2×123011033033031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123011033032992 and 123011033033010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123011033038031) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 119059860 + ... + 120088601.

It is an arithmetic number, because the mean of its divisors is an integer number (4081865665570).

Almost surely, 2^{123011033033031} is an apocalyptic number.

123011033033031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

123011033033031 is a deficient number, since it is larger than the sum of its proper divisors (72918518914329).

123011033033031 is a wasteful number, since it uses less digits than its factorization.

123011033033031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239148608 (or 239148597 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 24.

Adding to 123011033033031 its reverse (130330330110321), we get a palindrome (253341363143352).

The spelling of 123011033033031 in words is "one hundred twenty-three trillion, eleven billion, thirty-three million, thirty-three thousand, thirty-one".