101223444240 has 60 divisors (see below), whose sum is σ = 339942069324. Its totient is φ = 26992918272.

The previous prime is 101223444229. The next prime is 101223444251. The reversal of 101223444240 is 42444322101.

101223444240 is a `hidden beast` number, since 1 + 0 + 1 + 2 + 234 + 4 + 424 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (101223444229) and next prime (101223444251).

It can be written as a sum of positive squares in 2 ways, for example, as 63039157776 + 38184286464 = 251076^2 + 195408^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70293339 + ... + 70294778.

Almost surely, 2^101223444240 is an apocalyptic number.

101223444240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101223444240 is an abundant number, since it is smaller than the sum of its proper divisors (238718625084).

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

101223444240 is a wasteful number, since it uses less digits than its factorization.

101223444240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140588136 (or 140588127 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 101223444240 its reverse (42444322101), we get a palindrome (143667766341).

The spelling of 101223444240 in words is "one hundred one billion, two hundred twenty-three million, four hundred forty-four thousand, two hundred forty".