123311313102 has 16 divisors (see below), whose sum is σ = 247028931072. Its totient is φ = 41036053560.

The previous prime is 123311313031. The next prime is 123311313173. The reversal of 123311313102 is 201313113321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (123311313031) and next prime (123311313173).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16925424 + ... + 16932707.

It is an arithmetic number, because the mean of its divisors is an integer number (15439308192).

Almost surely, 2^123311313102 is an apocalyptic number.

123311313102 is an abundant number, since it is smaller than the sum of its proper divisors (123717617970).

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

123311313102 is a wasteful number, since it uses less digits than its factorization.

123311313102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33858743.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 123311313102 its reverse (201313113321), we get a palindrome (324624426423).

The spelling of 123311313102 in words is "one hundred twenty-three billion, three hundred eleven million, three hundred thirteen thousand, one hundred two".