123131120003 has 8 divisors (see below), whose sum is σ = 134579744640. Its totient is φ = 112149786240.

The previous prime is 123131119999. The next prime is 123131120023. The reversal of 123131120003 is 300021131321.

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

It is not a de Polignac number, because 123131120003 - 2² = 123131119999 is a prime.

It is a super-2 number, since 2×123131120003² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123131120023) 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, 116822168 + ... + 116823221.

It is an arithmetic number, because the mean of its divisors is an integer number (16822468080).

Almost surely, 2^123131120003 is an apocalyptic number.

123131120003 is a deficient number, since it is larger than the sum of its proper divisors (11448624637).

123131120003 is a wasteful number, since it uses less digits than its factorization.

123131120003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233645437.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 123131120003 its reverse (300021131321), we get a palindrome (423152251324).

The spelling of 123131120003 in words is "one hundred twenty-three billion, one hundred thirty-one million, one hundred twenty thousand, three".