123313010402 has 8 divisors (see below), whose sum is σ = 185004690012. Its totient is φ = 61644780400.

The previous prime is 123313010393. The next prime is 123313010411. The reversal of 123313010402 is 204010313321.

It is an interprime number because it is at equal distance from previous prime (123313010393) and next prime (123313010411).

It can be written as a sum of positive squares in 2 ways, for example, as 117394631641 + 5918378761 = 342629^2 + 76931^2 .

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

It is an unprimeable number.

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, 5849249 + ... + 5870292.

Almost surely, 2^123313010402 is an apocalyptic number.

123313010402 is a deficient number, since it is larger than the sum of its proper divisors (61691679610).

123313010402 is a wasteful number, since it uses less digits than its factorization.

123313010402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11724804.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 123313010402 its reverse (204010313321), we get a palindrome (327323323723).

The spelling of 123313010402 in words is "one hundred twenty-three billion, three hundred thirteen million, ten thousand, four hundred two".