7923017131 has 2 divisors, whose sum is σ = 7923017132. Its totient is φ = 7923017130.

The previous prime is 7923017087. The next prime is 7923017153. The reversal of 7923017131 is 1317103297.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7923017131 - 2¹³ = 7923008939 is a prime.

It is a super-2 number, since 2×7923017131² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7923017731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3961508565 + 3961508566.

It is an arithmetic number, because the mean of its divisors is an integer number (3961508566).

Almost surely, 2^7923017131 is an apocalyptic number.

7923017131 is a deficient number, since it is larger than the sum of its proper divisors (1).

7923017131 is an equidigital number, since it uses as much as digits as its factorization.

7923017131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7938, while the sum is 34.

The square root of 7923017131 is about 89011.3314752678. The cubic root of 7923017131 is about 1993.5640725509.

The spelling of 7923017131 in words is "seven billion, nine hundred twenty-three million, seventeen thousand, one hundred thirty-one".