123001002023 has 4 divisors (see below), whose sum is σ = 123711990648. Its totient is φ = 122290013400.

The previous prime is 123001002013. The next prime is 123001002041. The reversal of 123001002023 is 320200100321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123001002023 - 2¹⁸ = 123000739879 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123001001989 and 123001002007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123001002013) 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 3 ways as a sum of consecutive naturals, for example, 355494053 + ... + 355494398.

It is an arithmetic number, because the mean of its divisors is an integer number (30927997662).

Almost surely, 2^123001002023 is an apocalyptic number.

123001002023 is a deficient number, since it is larger than the sum of its proper divisors (710988625).

123001002023 is an equidigital number, since it uses as much as digits as its factorization.

123001002023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710988624.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 123001002023 its reverse (320200100321), we get a palindrome (443201102344).

The spelling of 123001002023 in words is "one hundred twenty-three billion, one million, two thousand, twenty-three".