123311312035 has 8 divisors (see below), whose sum is σ = 148068014976. Its totient is φ = 98586089280.

The previous prime is 123311312021. The next prime is 123311312063. The reversal of 123311312035 is 530213113321.

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

It is not a de Polignac number, because 123311312035 - 2²³ = 123302923427 is a prime.

It is a Duffinian 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, 7861426 + ... + 7877095.

It is an arithmetic number, because the mean of its divisors is an integer number (18508501872).

Almost surely, 2^123311312035 is an apocalyptic number.

123311312035 is a deficient number, since it is larger than the sum of its proper divisors (24756702941).

123311312035 is a wasteful number, since it uses less digits than its factorization.

123311312035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15740093.

The product of its (nonzero) digits is 1620, while the sum is 25.

Adding to 123311312035 its reverse (530213113321), we get a palindrome (653524425356).

The spelling of 123311312035 in words is "one hundred twenty-three billion, three hundred eleven million, three hundred twelve thousand, thirty-five".