123002021013 has 8 divisors (see below), whose sum is σ = 168002760576. Its totient is φ = 80001314400.

The previous prime is 123002020987. The next prime is 123002021053. The reversal of 123002021013 is 310120200321.

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

It is not a de Polignac number, because 123002021013 - 2¹⁶ = 123001955477 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123002020983 and 123002021001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123002021053) 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, 500008093 + ... + 500008338.

It is an arithmetic number, because the mean of its divisors is an integer number (21000345072).

Almost surely, 2^123002021013 is an apocalyptic number.

It is an amenable number.

123002021013 is a deficient number, since it is larger than the sum of its proper divisors (45000739563).

123002021013 is a wasteful number, since it uses less digits than its factorization.

123002021013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000016475.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 123002021013 its reverse (310120200321), we get a palindrome (433122221334).

The spelling of 123002021013 in words is "one hundred twenty-three billion, two million, twenty-one thousand, thirteen".