11839776523 has 2 divisors, whose sum is σ = 11839776524. Its totient is φ = 11839776522.

The previous prime is 11839776461. The next prime is 11839776547. The reversal of 11839776523 is 32567793811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11839776523 - 2¹³ = 11839768331 is a prime.

It is a super-2 number, since 2×11839776523² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11839776023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5919888261 + 5919888262.

It is an arithmetic number, because the mean of its divisors is an integer number (5919888262).

Almost surely, 2^11839776523 is an apocalyptic number.

11839776523 is a deficient number, since it is larger than the sum of its proper divisors (1).

11839776523 is an equidigital number, since it uses as much as digits as its factorization.

11839776523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1905120, while the sum is 52.

The spelling of 11839776523 in words is "eleven billion, eight hundred thirty-nine million, seven hundred seventy-six thousand, five hundred twenty-three".