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23020203111 = 328127307477
BaseRepresentation
bin10101011100000111…
…000110110001100111
32012102022120111001020
4111130013012301213
5334121132444421
614324134502223
71443314332533
oct253407066147
965368514036
1023020203111
119843339354
124565504973
13222b313b79
14118546abc3
158eaea0dc6
hex55c1c6c67

23020203111 has 8 divisors (see below), whose sum is σ = 30802835184. Its totient is φ = 15292186560.

The previous prime is 23020203109. The next prime is 23020203113. The reversal of 23020203111 is 11130202032.

It is an interprime number because it is at equal distance from previous prime (23020203109) and next prime (23020203113).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23020203111 - 21 = 23020203109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23020203113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13652896 + ... + 13654581.

It is an arithmetic number, because the mean of its divisors is an integer number (3850354398).

Almost surely, 223020203111 is an apocalyptic number.

23020203111 is a deficient number, since it is larger than the sum of its proper divisors (7782632073).

23020203111 is a wasteful number, since it uses less digits than its factorization.

23020203111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27307761.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 23020203111 its reverse (11130202032), we get a palindrome (34150405143).

The spelling of 23020203111 in words is "twenty-three billion, twenty million, two hundred three thousand, one hundred eleven".

Divisors: 1 3 281 843 27307477 81922431 7673401037 23020203111