123031140550106 has 8 divisors (see below), whose sum is σ = 184548482508384. Its totient is φ = 61514979713980.

The previous prime is 123031140550103. The next prime is 123031140550139. The reversal of 123031140550106 is 601055041130321.

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

It is a super-2 number, since 2×123031140550106² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123031140550103) 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, 295020080 + ... + 295436811.

It is an arithmetic number, because the mean of its divisors is an integer number (23068560313548).

Almost surely, 2^{123031140550106} is an apocalyptic number.

123031140550106 is a deficient number, since it is larger than the sum of its proper divisors (61517341958278).

123031140550106 is a wasteful number, since it uses less digits than its factorization.

123031140550106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590561076.

The product of its (nonzero) digits is 10800, while the sum is 32.

Adding to 123031140550106 its reverse (601055041130321), we get a palindrome (724086181680427).

The spelling of 123031140550106 in words is "one hundred twenty-three trillion, thirty-one billion, one hundred forty million, five hundred fifty thousand, one hundred six".