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120313223 = 421928517
BaseRepresentation
bin1110010101111…
…01010110000111
322101101112201022
413022331112013
5221300010343
615534421355
72660434262
oct712752607
9271345638
10120313223
1161a06118
123436185b
131bc06674
1411d9bcd9
15a868568
hex72bd587

120313223 has 4 divisors (see below), whose sum is σ = 120345960. Its totient is φ = 120280488.

The previous prime is 120313217. The next prime is 120313273. The reversal of 120313223 is 322313021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120313223 - 218 = 120051079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120313273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10040 + ... + 18477.

It is an arithmetic number, because the mean of its divisors is an integer number (30086490).

Almost surely, 2120313223 is an apocalyptic number.

120313223 is a deficient number, since it is larger than the sum of its proper divisors (32737).

120313223 is an equidigital number, since it uses as much as digits as its factorization.

120313223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32736.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 120313223 is about 10968.7384415894. The cubic root of 120313223 is about 493.6711944302.

Adding to 120313223 its reverse (322313021), we get a palindrome (442626244).

The spelling of 120313223 in words is "one hundred twenty million, three hundred thirteen thousand, two hundred twenty-three".

Divisors: 1 4219 28517 120313223