853923131 has 2 divisors, whose sum is σ = 853923132. Its totient is φ = 853923130.

The previous prime is 853923101. The next prime is 853923143. The reversal of 853923131 is 131329358.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 853923131 - 2¹⁰ = 853922107 is a prime.

It is a super-2 number, since 2×853923131² = 1458369427313686322, which contains 22 as substring.

It is equal to p_43772651 and since 853923131 and 43772651 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 853923091 and 853923100.

It is not a weakly prime, because it can be changed into another prime (853923101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426961565 + 426961566.

It is an arithmetic number, because the mean of its divisors is an integer number (426961566).

Almost surely, 2^853923131 is an apocalyptic number.

853923131 is a deficient number, since it is larger than the sum of its proper divisors (1).

853923131 is an equidigital number, since it uses as much as digits as its factorization.

853923131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 35.

The square root of 853923131 is about 29221.9631612936. The cubic root of 853923131 is about 948.7233566385.

The spelling of 853923131 in words is "eight hundred fifty-three million, nine hundred twenty-three thousand, one hundred thirty-one".