101343423440 has 160 divisors (see below), whose sum is σ = 271251210240. Its totient is φ = 34493299200.

The previous prime is 101343423427. The next prime is 101343423481. The reversal of 101343423440 is 44324343101.

It is a happy number.

It is a congruent number.

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, 98295725 + ... + 98296755.

It is an arithmetic number, because the mean of its divisors is an integer number (1695320064).

Almost surely, 2^101343423440 is an apocalyptic number.

101343423440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101343423440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135625605120).

101343423440 is an abundant number, since it is smaller than the sum of its proper divisors (169907786800).

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

101343423440 is a wasteful number, since it uses less digits than its factorization.

101343423440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2161 (or 2155 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 101343423440 its reverse (44324343101), we get a palindrome (145667766541).

The spelling of 101343423440 in words is "one hundred one billion, three hundred forty-three million, four hundred twenty-three thousand, four hundred forty".