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120423207 = 340141069
BaseRepresentation
bin1110010110110…
…00001100100111
322101121010120210
413023120030213
5221312020312
615541030503
72661403032
oct713301447
9271533523
10120423207
1161a80813
12343b5433
131bc44748
1411dca019
15a88ae3c
hex72d8327

120423207 has 4 divisors (see below), whose sum is σ = 160564280. Its totient is φ = 80282136.

The previous prime is 120423203. The next prime is 120423241. The reversal of 120423207 is 702324021.

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

It is not a de Polignac number, because 120423207 - 22 = 120423203 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 (120423203) 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, 20070532 + ... + 20070537.

It is an arithmetic number, because the mean of its divisors is an integer number (40141070).

Almost surely, 2120423207 is an apocalyptic number.

120423207 is a deficient number, since it is larger than the sum of its proper divisors (40141073).

120423207 is an equidigital number, since it uses as much as digits as its factorization.

120423207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40141072.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 120423207 is about 10973.7508172912. The cubic root of 120423207 is about 493.8215780009.

Adding to 120423207 its reverse (702324021), we get a palindrome (822747228).

The spelling of 120423207 in words is "one hundred twenty million, four hundred twenty-three thousand, two hundred seven".

Divisors: 1 3 40141069 120423207