123023210311 has 16 divisors (see below), whose sum is σ = 126422087040. Its totient is φ = 119658850560.

The previous prime is 123023210281. The next prime is 123023210351. The reversal of 123023210311 is 113012320321.

It is a cyclic number.

It is not a de Polignac number, because 123023210311 - 2¹³ = 123023202119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123023210351) 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, 5984731 + ... + 6005251.

It is an arithmetic number, because the mean of its divisors is an integer number (7901380440).

Almost surely, 2^123023210311 is an apocalyptic number.

123023210311 is a deficient number, since it is larger than the sum of its proper divisors (3398876729).

123023210311 is a wasteful number, since it uses less digits than its factorization.

123023210311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21354.

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

Adding to 123023210311 its reverse (113012320321), we get a palindrome (236035530632).

The spelling of 123023210311 in words is "one hundred twenty-three billion, twenty-three million, two hundred ten thousand, three hundred eleven".