122303023311 has 32 divisors (see below), whose sum is σ = 187560188928. Its totient is φ = 69440163840.

The previous prime is 122303023307. The next prime is 122303023321. The reversal of 122303023311 is 113320303221.

It is not a de Polignac number, because 122303023311 - 2² = 122303023307 is a prime.

It is a super-2 number, since 2×122303023311² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122303023301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10729231 + ... + 10740623.

It is an arithmetic number, because the mean of its divisors is an integer number (5861255904).

Almost surely, 2^122303023311 is an apocalyptic number.

122303023311 is a deficient number, since it is larger than the sum of its proper divisors (65257165617).

122303023311 is a wasteful number, since it uses less digits than its factorization.

122303023311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14631.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 122303023311 its reverse (113320303221), we get a palindrome (235623326532).

The spelling of 122303023311 in words is "one hundred twenty-two billion, three hundred three million, twenty-three thousand, three hundred eleven".