123231003031 has 8 divisors (see below), whose sum is σ = 128867818464. Its totient is φ = 117617433120.

The previous prime is 123231003023. The next prime is 123231003037. The reversal of 123231003031 is 130300132321.

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

It is not a de Polignac number, because 123231003031 - 2³ = 123231003023 is a prime.

It is a super-2 number, since 2×123231003031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123231003037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5800536 + ... + 5821741.

It is an arithmetic number, because the mean of its divisors is an integer number (16108477308).

Almost surely, 2^123231003031 is an apocalyptic number.

123231003031 is a deficient number, since it is larger than the sum of its proper divisors (5636815433).

123231003031 is a wasteful number, since it uses less digits than its factorization.

123231003031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11622761.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 123231003031 its reverse (130300132321), we get a palindrome (253531135352).

The spelling of 123231003031 in words is "one hundred twenty-three billion, two hundred thirty-one million, three thousand, thirty-one".