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23043123053 = 37781609913
BaseRepresentation
bin10101011101011110…
…100010011101101101
32012110220200221021222
4111131132202131231
5334143014414203
614330314033125
71444013212526
oct253536423555
965426627258
1023043123053
119855273455
1245711187a5
132232caa372
14118851584d
158ececc038
hex55d7a276d

23043123053 has 4 divisors (see below), whose sum is σ = 23043770748. Its totient is φ = 23042475360.

The previous prime is 23043123001. The next prime is 23043123101. The reversal of 23043123053 is 35032134032.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18484577764 + 4558545289 = 135958^2 + 67517^2 .

It is a cyclic number.

It is not a de Polignac number, because 23043123053 - 28 = 23043122797 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 (23043123553) 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, 267176 + ... + 342737.

It is an arithmetic number, because the mean of its divisors is an integer number (5760942687).

Almost surely, 223043123053 is an apocalyptic number.

It is an amenable number.

23043123053 is a deficient number, since it is larger than the sum of its proper divisors (647695).

23043123053 is an equidigital number, since it uses as much as digits as its factorization.

23043123053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647694.

The product of its (nonzero) digits is 6480, while the sum is 26.

Adding to 23043123053 its reverse (35032134032), we get a palindrome (58075257085).

The spelling of 23043123053 in words is "twenty-three billion, forty-three million, one hundred twenty-three thousand, fifty-three".

Divisors: 1 37781 609913 23043123053