7192157923 has 2 divisors, whose sum is σ = 7192157924. Its totient is φ = 7192157922.

The previous prime is 7192157909. The next prime is 7192157927. The reversal of 7192157923 is 3297512917.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7192157923 is a prime.

It is not a weakly prime, because it can be changed into another prime (7192157927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3596078961 + 3596078962.

It is an arithmetic number, because the mean of its divisors is an integer number (3596078962).

Almost surely, 2^7192157923 is an apocalyptic number.

7192157923 is a deficient number, since it is larger than the sum of its proper divisors (1).

7192157923 is an equidigital number, since it uses as much as digits as its factorization.

7192157923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 238140, while the sum is 46.

The square root of 7192157923 is about 84806.5912709620. The cubic root of 7192157923 is about 1930.2774550777.

The spelling of 7192157923 in words is "seven billion, one hundred ninety-two million, one hundred fifty-seven thousand, nine hundred twenty-three".