101323020 has 48 divisors (see below), whose sum is σ = 291378528. Its totient is φ = 26288640.

The previous prime is 101323003. The next prime is 101323031. The reversal of 101323020 is 20323101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 101322987 and 101323005.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20601 + ... + 25040.

It is an arithmetic number, because the mean of its divisors is an integer number (6070386).

Almost surely, 2^101323020 is an apocalyptic number.

101323020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101323020 is an abundant number, since it is smaller than the sum of its proper divisors (190055508).

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

101323020 is a wasteful number, since it uses less digits than its factorization.

101323020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45690 (or 45688 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 101323020 is about 10065.9336377705. The cubic root of 101323020 is about 466.1968934714.

Adding to 101323020 its reverse (20323101), we get a palindrome (121646121).

The spelling of 101323020 in words is "one hundred one million, three hundred twenty-three thousand, twenty".