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20223162623 = 25679787537
BaseRepresentation
bin10010110101011001…
…001111100011111111
31221012101110002211002
4102311121033203333
5312404112200443
613142420320515
71314102021536
oct226531174377
957171402732
1020223162623
1186384a2444
123b0484313b
131ba39b1a21
14d9bbb731d
157d564d2b8
hex4b564f8ff

20223162623 has 4 divisors (see below), whose sum is σ = 20223975840. Its totient is φ = 20222349408.

The previous prime is 20223162611. The next prime is 20223162637. The reversal of 20223162623 is 32626132202.

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

It is a cyclic number.

It is not a de Polignac number, because 20223162623 - 24 = 20223162607 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 (20223162523) 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, 368090 + ... + 419447.

It is an arithmetic number, because the mean of its divisors is an integer number (5055993960).

Almost surely, 220223162623 is an apocalyptic number.

20223162623 is a deficient number, since it is larger than the sum of its proper divisors (813217).

20223162623 is an equidigital number, since it uses as much as digits as its factorization.

20223162623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813216.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 20223162623 its reverse (32626132202), we get a palindrome (52849294825).

The spelling of 20223162623 in words is "twenty billion, two hundred twenty-three million, one hundred sixty-two thousand, six hundred twenty-three".

Divisors: 1 25679 787537 20223162623