101223643260 has 48 divisors (see below), whose sum is σ = 287013888000. Its totient is φ = 26651287104.

The previous prime is 101223643243. The next prime is 101223643267. The reversal of 101223643260 is 62346322101.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101223643267) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 10672860 + ... + 10682339.

It is an arithmetic number, because the mean of its divisors is an integer number (5979456000).

Almost surely, 2^101223643260 is an apocalyptic number.

101223643260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101223643260 is an abundant number, since it is smaller than the sum of its proper divisors (185790244740).

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

101223643260 is a wasteful number, since it uses less digits than its factorization.

101223643260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21355290 (or 21355288 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 101223643260 its reverse (62346322101), we get a palindrome (163569965361).

The spelling of 101223643260 in words is "one hundred one billion, two hundred twenty-three million, six hundred forty-three thousand, two hundred sixty".