105423126402 has 64 divisors (see below), whose sum is σ = 236773684224. Its totient is φ = 31016475840.

The previous prime is 105423126379. The next prime is 105423126437. The reversal of 105423126402 is 204621324501.

It is a super-2 number, since 2×105423126402² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105423126402.

It is an unprimeable number.

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, 362728 + ... + 585164.

It is an arithmetic number, because the mean of its divisors is an integer number (3699588816).

Almost surely, 2^105423126402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105423126402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118386842112).

105423126402 is an abundant number, since it is smaller than the sum of its proper divisors (131350557822).

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

105423126402 is a wasteful number, since it uses less digits than its factorization.

105423126402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222663.

The product of its (nonzero) digits is 11520, while the sum is 30.

The spelling of 105423126402 in words is "one hundred five billion, four hundred twenty-three million, one hundred twenty-six thousand, four hundred two".