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23879973361 is a prime number
BaseRepresentation
bin10110001111010110…
…110111100111110001
32021122020101100002211
4112033112313213301
5342401233121421
614545330412121
71503524265406
oct261726674761
967566340084
1023879973361
11a144693482
124765431041
13233749326a
1412277142ad
1594b6d29e1
hex58f5b79f1

23879973361 has 2 divisors, whose sum is σ = 23879973362. Its totient is φ = 23879973360.

The previous prime is 23879973329. The next prime is 23879973437. The reversal of 23879973361 is 16337997832.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19460250000 + 4419723361 = 139500^2 + 66481^2 .

It is a cyclic number.

It is not a de Polignac number, because 23879973361 - 25 = 23879973329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23879973296 and 23879973305.

It is not a weakly prime, because it can be changed into another prime (23879973961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11939986680 + 11939986681.

It is an arithmetic number, because the mean of its divisors is an integer number (11939986681).

Almost surely, 223879973361 is an apocalyptic number.

It is an amenable number.

23879973361 is a deficient number, since it is larger than the sum of its proper divisors (1).

23879973361 is an equidigital number, since it uses as much as digits as its factorization.

23879973361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10287648, while the sum is 58.

The spelling of 23879973361 in words is "twenty-three billion, eight hundred seventy-nine million, nine hundred seventy-three thousand, three hundred sixty-one".