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120232223 = 831638887
BaseRepresentation
bin1110010101010…
…01100100011111
322101020102121022
413022221210133
5221234412343
615532554355
72656646156
oct712514437
9271212538
10120232223
1161960281
12343229bb
131bba8837
1411d7a59d
15a84e568
hex72a991f

120232223 has 8 divisors (see below), whose sum is σ = 122441088. Its totient is φ = 118041624.

The previous prime is 120232219. The next prime is 120232243. The reversal of 120232223 is 322232021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120232223 - 22 = 120232219 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 (120232243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9086 + ... + 17972.

It is an arithmetic number, because the mean of its divisors is an integer number (15305136).

Almost surely, 2120232223 is an apocalyptic number.

120232223 is a deficient number, since it is larger than the sum of its proper divisors (2208865).

120232223 is an equidigital number, since it uses as much as digits as its factorization.

120232223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9133.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 120232223 is about 10965.0455083415. The cubic root of 120232223 is about 493.5603827149.

Adding to 120232223 its reverse (322232021), we get a palindrome (442464244).

The spelling of 120232223 in words is "one hundred twenty million, two hundred thirty-two thousand, two hundred twenty-three".

Divisors: 1 83 163 8887 13529 737621 1448581 120232223