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1223200231023 = 38321123281757
BaseRepresentation
bin10001110011001100011…
…010100100111001101111
311022221021221000221220010
4101303030122210321233
5130020103224343043
62333532550024303
7154242020261361
oct21631432447157
94287257027803
101223200231023
11431835707041
12179093348093
138b468cb2364
14432bb858d31
1521c4189d133
hex11ccc6a4e6f

1223200231023 has 16 divisors (see below), whose sum is σ = 1658406185856. Its totient is φ = 801823676640.

The previous prime is 1223200231021. The next prime is 1223200231037. The reversal of 1223200231023 is 3201320023221.

It is a happy number.

It is not a de Polignac number, because 1223200231023 - 21 = 1223200231021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223200231021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11588340 + ... + 11693417.

It is an arithmetic number, because the mean of its divisors is an integer number (103650386616).

Almost surely, 21223200231023 is an apocalyptic number.

1223200231023 is a deficient number, since it is larger than the sum of its proper divisors (435205954833).

1223200231023 is a wasteful number, since it uses less digits than its factorization.

1223200231023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23282054.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1223200231023 its reverse (3201320023221), we get a palindrome (4424520254244).

The spelling of 1223200231023 in words is "one trillion, two hundred twenty-three billion, two hundred million, two hundred thirty-one thousand, twenty-three".

Divisors: 1 3 83 211 249 633 17513 52539 23281757 69845271 1932385831 4912450727 5797157493 14737352181 407733410341 1223200231023