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23001221371 is a prime number
BaseRepresentation
bin10101011010111110…
…101100100011111011
32012100222212002222211
4111122332230203323
5334101303040441
614322215555551
71442664104302
oct253276544373
965328762884
1023001221371
119833654067
12455b08bbb7
1322273c907b
141182b29439
158e94a1a81
hex55afac8fb

23001221371 has 2 divisors, whose sum is σ = 23001221372. Its totient is φ = 23001221370.

The previous prime is 23001221317. The next prime is 23001221417. The reversal of 23001221371 is 17312210032.

It is a happy number.

Together with previous prime (23001221317) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23001221371 - 221 = 22999124219 is a prime.

It is not a weakly prime, because it can be changed into another prime (23001221671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11500610685 + 11500610686.

It is an arithmetic number, because the mean of its divisors is an integer number (11500610686).

Almost surely, 223001221371 is an apocalyptic number.

23001221371 is a deficient number, since it is larger than the sum of its proper divisors (1).

23001221371 is an equidigital number, since it uses as much as digits as its factorization.

23001221371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 22.

The spelling of 23001221371 in words is "twenty-three billion, one million, two hundred twenty-one thousand, three hundred seventy-one".