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123354053 = 313979163
BaseRepresentation
bin1110101101000…
…11101111000101
322121010000221122
413112203233011
5223034312203
620123523325
73025330544
oct726435705
9277100848
10123354053
11636a27a9
1235389545
131c72c784
141255015b
15ac69538
hex75a3bc5

123354053 has 4 divisors (see below), whose sum is σ = 127333248. Its totient is φ = 119374860.

The previous prime is 123354047. The next prime is 123354059. The reversal of 123354053 is 350453321.

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, and also an emirpimes, since its reverse is a distinct semiprime: 350453321 = 953936739.

It is an interprime number because it is at equal distance from previous prime (123354047) and next prime (123354059).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-123354053 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 (123354059) 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, 1989551 + ... + 1989612.

It is an arithmetic number, because the mean of its divisors is an integer number (31833312).

Almost surely, 2123354053 is an apocalyptic number.

It is an amenable number.

123354053 is a deficient number, since it is larger than the sum of its proper divisors (3979195).

123354053 is an equidigital number, since it uses as much as digits as its factorization.

123354053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3979194.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 123354053 is about 11106.4869783384. The cubic root of 123354053 is about 497.7957004073.

The spelling of 123354053 in words is "one hundred twenty-three million, three hundred fifty-four thousand, fifty-three".

Divisors: 1 31 3979163 123354053