100123012311 has 16 divisors (see below), whose sum is σ = 152789215488. Its totient is φ = 57130344000.

The previous prime is 100123012307. The next prime is 100123012361. The reversal of 100123012311 is 113210321001.

It is a happy number.

It is not a de Polignac number, because 100123012311 - 2² = 100123012307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100123012361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3435390 + ... + 3464411.

It is an arithmetic number, because the mean of its divisors is an integer number (9549325968).

Almost surely, 2^100123012311 is an apocalyptic number.

100123012311 is a deficient number, since it is larger than the sum of its proper divisors (52666203177).

100123012311 is an equidigital number, since it uses as much as digits as its factorization.

100123012311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6900502.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 100123012311 its reverse (113210321001), we get a palindrome (213333333312).

The spelling of 100123012311 in words is "one hundred billion, one hundred twenty-three million, twelve thousand, three hundred eleven".