123303031002 has 40 divisors (see below), whose sum is σ = 276371030100. Its totient is φ = 41088974976.

The previous prime is 123303030967. The next prime is 123303031037. The reversal of 123303031002 is 200130303321.

It is an interprime number because it is at equal distance from previous prime (123303030967) and next prime (123303031037).

It can be written as a sum of positive squares in 2 ways, for example, as 117463167441 + 5839863561 = 342729^2 + 76419^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 452274 + ... + 671682.

Almost surely, 2^123303031002 is an apocalyptic number.

123303031002 is an abundant number, since it is smaller than the sum of its proper divisors (153067999098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123303031002 is a wasteful number, since it uses less digits than its factorization.

123303031002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222892 (or 222883 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 123303031002 its reverse (200130303321), we get a palindrome (323433334323).

The spelling of 123303031002 in words is "one hundred twenty-three billion, three hundred three million, thirty-one thousand, two".