101234320 has 160 divisors (see below), whose sum is σ = 278660736. Its totient is φ = 33792000.

The previous prime is 101234297. The next prime is 101234347. The reversal of 101234320 is 23432101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 101234294 and 101234303.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1002270 + ... + 1002370.

Almost surely, 2^101234320 is an apocalyptic number.

101234320 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 101234320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139330368).

101234320 is an abundant number, since it is smaller than the sum of its proper divisors (177426416).

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

101234320 is a wasteful number, since it uses less digits than its factorization.

101234320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 101234320 is about 10061.5267231171. The cubic root of 101234320 is about 466.0608146975.

Adding to 101234320 its reverse (23432101), we get a palindrome (124666421).

The spelling of 101234320 in words is "one hundred one million, two hundred thirty-four thousand, three hundred twenty".