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123034321 = 1713952067
BaseRepresentation
bin1110101010101…
…01101011010001
322120111210100201
413111111223101
5222444044241
620113015201
73022526434
oct725255321
9276453321
10123034321
11634a4563
1235254501
131c64a097
14124a981b
15ac04931
hex7555ad1

123034321 has 8 divisors (see below), whose sum is σ = 131211360. Its totient is φ = 114961728.

The previous prime is 123034279. The next prime is 123034333. The reversal of 123034321 is 123430321.

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 123034321 - 213 = 123026129 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123034421) 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, 23671 + ... + 28396.

It is an arithmetic number, because the mean of its divisors is an integer number (16401420).

Almost surely, 2123034321 is an apocalyptic number.

It is an amenable number.

123034321 is a deficient number, since it is larger than the sum of its proper divisors (8177039).

123034321 is a wasteful number, since it uses less digits than its factorization.

123034321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52223.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 123034321 is about 11092.0837086636. The cubic root of 123034321 is about 497.3652350817.

Adding to 123034321 its reverse (123430321), we get a palindrome (246464642).

The spelling of 123034321 in words is "one hundred twenty-three million, thirty-four thousand, three hundred twenty-one".

Divisors: 1 17 139 2363 52067 885139 7237313 123034321