123313113202 has 4 divisors (see below), whose sum is σ = 184969669806. Its totient is φ = 61656556600.

The previous prime is 123313113167. The next prime is 123313113233. The reversal of 123313113202 is 202311313321.

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

It can be written as a sum of positive squares in only one way, i.e., 107446939681 + 15866173521 = 327791^2 + 125961^2 .

It is a super-2 number, since 2×123313113202² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30828278299 + ... + 30828278302.

Almost surely, 2^123313113202 is an apocalyptic number.

123313113202 is a deficient number, since it is larger than the sum of its proper divisors (61656556604).

123313113202 is an equidigital number, since it uses as much as digits as its factorization.

123313113202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61656556603.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 123313113202 its reverse (202311313321), we get a palindrome (325624426523).

The spelling of 123313113202 in words is "one hundred twenty-three billion, three hundred thirteen million, one hundred thirteen thousand, two hundred two".