101423340 has 144 divisors (see below), whose sum is σ = 327468960. Its totient is φ = 26334720.

The previous prime is 101423317. The next prime is 101423341. The reversal of 101423340 is 43324101.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (101423341) 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 47 ways as a sum of consecutive naturals, for example, 199006 + ... + 199514.

It is an arithmetic number, because the mean of its divisors is an integer number (2274090).

Almost surely, 2^101423340 is an apocalyptic number.

101423340 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 101423340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163734480).

101423340 is an abundant number, since it is smaller than the sum of its proper divisors (226045620).

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

101423340 is a wasteful number, since it uses less digits than its factorization.

101423340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574 (or 560 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 101423340 is about 10070.9155492438. The cubic root of 101423340 is about 466.3507033544.

Adding to 101423340 its reverse (43324101), we get a palindrome (144747441).

The spelling of 101423340 in words is "one hundred one million, four hundred twenty-three thousand, three hundred forty".