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123980083 = 6710931693
BaseRepresentation
bin1110110001111…
…00100100110011
322122021211200221
413120330210303
5223214330313
620145153511
73033545653
oct730744463
9278254627
10123980083
1163a90087
123562b897
131c8bb6c6
1412674363
15ad3ec8d
hex763c933

123980083 has 8 divisors (see below), whose sum is σ = 126020048. Its totient is φ = 121945824.

The previous prime is 123980053. The next prime is 123980089. The reversal of 123980083 is 380089321.

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 123980083 - 213 = 123971891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123980089) 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, 72385 + ... + 74077.

It is an arithmetic number, because the mean of its divisors is an integer number (15752506).

Almost surely, 2123980083 is an apocalyptic number.

123980083 is a deficient number, since it is larger than the sum of its proper divisors (2039965).

123980083 is a wasteful number, since it uses less digits than its factorization.

123980083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2853.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 123980083 is about 11134.6343900462. The cubic root of 123980083 is about 498.6363952113.

The spelling of 123980083 in words is "one hundred twenty-three million, nine hundred eighty thousand, eighty-three".

Divisors: 1 67 1093 1693 73231 113431 1850449 123980083