123002203013 has 4 divisors (see below), whose sum is σ = 123294370188. Its totient is φ = 122710035840.

The previous prime is 123002202997. The next prime is 123002203073. The reversal of 123002203013 is 310302200321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310302200321 = 29027 ⋅10690123.

It can be written as a sum of positive squares in 2 ways, for example, as 10925893729 + 112076309284 = 104527^2 + 334778^2 .

It is a cyclic number.

It is not a de Polignac number, because 123002203013 - 2⁴ = 123002202997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 123002202982 and 123002203000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123002203073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146082956 + ... + 146083797.

It is an arithmetic number, because the mean of its divisors is an integer number (30823592547).

Almost surely, 2^123002203013 is an apocalyptic number.

It is an amenable number.

123002203013 is a deficient number, since it is larger than the sum of its proper divisors (292167175).

123002203013 is an equidigital number, since it uses as much as digits as its factorization.

123002203013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292167174.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 123002203013 its reverse (310302200321), we get a palindrome (433304403334).

The spelling of 123002203013 in words is "one hundred twenty-three billion, two million, two hundred three thousand, thirteen".