123031322001 has 48 divisors (see below), whose sum is σ = 206340196608. Its totient is φ = 69190128000.

The previous prime is 123031321981. The next prime is 123031322021. The reversal of 123031322001 is 100223130321.

It is an interprime number because it is at equal distance from previous prime (123031321981) and next prime (123031322021).

It is not a de Polignac number, because 123031322001 - 2⁷ = 123031321873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123031322021) 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, 1004731 + ... + 1120511.

It is an arithmetic number, because the mean of its divisors is an integer number (4298754096).

Almost surely, 2^123031322001 is an apocalyptic number.

It is an amenable number.

123031322001 is a deficient number, since it is larger than the sum of its proper divisors (83308874607).

123031322001 is a wasteful number, since it uses less digits than its factorization.

123031322001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116062 (or 116059 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 123031322001 its reverse (100223130321), we get a palindrome (223254452322).

The spelling of 123031322001 in words is "one hundred twenty-three billion, thirty-one million, three hundred twenty-two thousand, one".