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123020014 = 2134731539
BaseRepresentation
bin1110101010100…
…10001011101110
322120111001201211
413111102023232
5222443120024
620112425034
73022436635
oct725221356
9276431654
10123020014
1163494837
123524817a
131c643710
14124a451c
15ac00594
hex75522ee

123020014 has 8 divisors (see below), whose sum is σ = 198724680. Its totient is φ = 56778456.

The previous prime is 123020011. The next prime is 123020047. The reversal of 123020014 is 410020321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 123019976 and 123020003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123020011) 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, 2365744 + ... + 2365795.

It is an arithmetic number, because the mean of its divisors is an integer number (24840585).

Almost surely, 2123020014 is an apocalyptic number.

123020014 is a deficient number, since it is larger than the sum of its proper divisors (75704666).

123020014 is a wasteful number, since it uses less digits than its factorization.

123020014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4731554.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 123020014 is about 11091.4387705112. The cubic root of 123020014 is about 497.3459556909.

Adding to 123020014 its reverse (410020321), we get a palindrome (533040335).

The spelling of 123020014 in words is "one hundred twenty-three million, twenty thousand, fourteen".

Divisors: 1 2 13 26 4731539 9463078 61510007 123020014