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23303444401 = 67347812603
BaseRepresentation
bin10101101100111111…
…100101011110110001
32020011001112122001101
4111230333211132301
5340211140210101
614412213404401
71453324003066
oct255477453661
966131478041
1023303444401
119979206766
124624339701
132274bc4973
1411b0d1ac6d
15915c9e401
hex56cfe57b1

23303444401 has 4 divisors (see below), whose sum is σ = 23651257072. Its totient is φ = 22955631732.

The previous prime is 23303444389. The next prime is 23303444407. The reversal of 23303444401 is 10444430332.

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.

It is a cyclic number.

It is not a de Polignac number, because 23303444401 - 25 = 23303444369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23303444401.

It is not an unprimeable number, because it can be changed into a prime (23303444407) 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, 173906235 + ... + 173906368.

It is an arithmetic number, because the mean of its divisors is an integer number (5912814268).

Almost surely, 223303444401 is an apocalyptic number.

It is an amenable number.

23303444401 is a deficient number, since it is larger than the sum of its proper divisors (347812671).

23303444401 is an equidigital number, since it uses as much as digits as its factorization.

23303444401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347812670.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 23303444401 its reverse (10444430332), we get a palindrome (33747874733).

The spelling of 23303444401 in words is "twenty-three billion, three hundred three million, four hundred forty-four thousand, four hundred one".

Divisors: 1 67 347812603 23303444401