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23022121201 = 31742649071
BaseRepresentation
bin10101011100001110…
…011011000011110001
32012102110011221011121
4111130032123003301
5334122130334301
614324243542241
71443336541612
oct253416330361
965373157147
1023022121201
119844429452
12456608a981
13222b835c31
141185809c09
158eb22e3a1
hex55c39b0f1

23022121201 has 4 divisors (see below), whose sum is σ = 23764770304. Its totient is φ = 22279472100.

The previous prime is 23022121127. The next prime is 23022121219. The reversal of 23022121201 is 10212122032.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2k-23022121201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23022121271) 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, 371324505 + ... + 371324566.

It is an arithmetic number, because the mean of its divisors is an integer number (5941192576).

Almost surely, 223022121201 is an apocalyptic number.

It is an amenable number.

23022121201 is a deficient number, since it is larger than the sum of its proper divisors (742649103).

23022121201 is an equidigital number, since it uses as much as digits as its factorization.

23022121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742649102.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 23022121201 its reverse (10212122032), we get a palindrome (33234243233).

The spelling of 23022121201 in words is "twenty-three billion, twenty-two million, one hundred twenty-one thousand, two hundred one".

Divisors: 1 31 742649071 23022121201