123262338464 has 96 divisors (see below), whose sum is σ = 259722288000. Its totient is φ = 57382871040.

The previous prime is 123262338403. The next prime is 123262338467. The reversal of 123262338464 is 464833262321.

It is a happy number.

It is a super-2 number, since 2×123262338464² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123262338467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19374644 + ... + 19381004.

It is an arithmetic number, because the mean of its divisors is an integer number (2705440500).

Almost surely, 2^123262338464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123262338464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129861144000).

123262338464 is an abundant number, since it is smaller than the sum of its proper divisors (136459949536).

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

123262338464 is a wasteful number, since it uses less digits than its factorization.

123262338464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6766 (or 6758 counting only the distinct ones).

The product of its digits is 995328, while the sum is 44.

The spelling of 123262338464 in words is "one hundred twenty-three billion, two hundred sixty-two million, three hundred thirty-eight thousand, four hundred sixty-four".