101523012 has 48 divisors (see below), whose sum is σ = 250024320. Its totient is φ = 31998208.

The previous prime is 101522987. The next prime is 101523017. The reversal of 101523012 is 210325101.

It is a junction number, because it is equal to n+sod(n) for n = 101522982 and 101523000.

It is not an unprimeable number, because it can be changed into a prime (101523017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22498 + ... + 26630.

It is an arithmetic number, because the mean of its divisors is an integer number (5208840).

Almost surely, 2^101523012 is an apocalyptic number.

101523012 is a gapful number since it is divisible by the number (12) 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 101523012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125012160).

101523012 is an abundant number, since it is smaller than the sum of its proper divisors (148501308).

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

101523012 is a wasteful number, since it uses less digits than its factorization.

101523012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4252 (or 4250 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 101523012 is about 10075.8628414642. The cubic root of 101523012 is about 466.5034193174.

Adding to 101523012 its reverse (210325101), we get a palindrome (311848113).

The spelling of 101523012 in words is "one hundred one million, five hundred twenty-three thousand, twelve".