123202311103 has 4 divisors (see below), whose sum is σ = 123230553448. Its totient is φ = 123174068760.

The previous prime is 123202311091. The next prime is 123202311121. The reversal of 123202311103 is 301113202321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301113202321 = 17 ⋅17712541313.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123202311103 is a prime.

It is a super-2 number, since 2×123202311103² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123202311203) 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, 14114628 + ... + 14123353.

It is an arithmetic number, because the mean of its divisors is an integer number (30807638362).

Almost surely, 2^123202311103 is an apocalyptic number.

123202311103 is a deficient number, since it is larger than the sum of its proper divisors (28242345).

123202311103 is an equidigital number, since it uses as much as digits as its factorization.

123202311103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28242344.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 123202311103 its reverse (301113202321), we get a palindrome (424315513424).

The spelling of 123202311103 in words is "one hundred twenty-three billion, two hundred two million, three hundred eleven thousand, one hundred three".