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123480853 = 379325807
BaseRepresentation
bin1110101110000…
…10101100010101
322121100110212221
413113002230111
5223102341403
620130342341
73026366326
oct727025425
9277313787
10123480853
1163779aa1
123542a9b1
131c7753c2
141258444d
15ac91dbd
hex75c2b15

123480853 has 4 divisors (see below), whose sum is σ = 123807040. Its totient is φ = 123154668.

The previous prime is 123480839. The next prime is 123480899. The reversal of 123480853 is 358084321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-123480853 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 (123480053) 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, 162525 + ... + 163282.

It is an arithmetic number, because the mean of its divisors is an integer number (30951760).

Almost surely, 2123480853 is an apocalyptic number.

It is an amenable number.

123480853 is a deficient number, since it is larger than the sum of its proper divisors (326187).

123480853 is an equidigital number, since it uses as much as digits as its factorization.

123480853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326186.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 123480853 is about 11112.1938877973. The cubic root of 123480853 is about 497.9662092737.

The spelling of 123480853 in words is "one hundred twenty-three million, four hundred eighty thousand, eight hundred fifty-three".

Divisors: 1 379 325807 123480853