923150491 has 2 divisors, whose sum is σ = 923150492. Its totient is φ = 923150490.

The previous prime is 923150483. The next prime is 923150497. The reversal of 923150491 is 194051329.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 923150491 - 2³ = 923150483 is a prime.

It is not a weakly prime, because it can be changed into another prime (923150497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 461575245 + 461575246.

It is an arithmetic number, because the mean of its divisors is an integer number (461575246).

Almost surely, 2^923150491 is an apocalyptic number.

923150491 is a deficient number, since it is larger than the sum of its proper divisors (1).

923150491 is an equidigital number, since it uses as much as digits as its factorization.

923150491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 923150491 is about 30383.3916967807. The cubic root of 923150491 is about 973.6977542370.

The spelling of 923150491 in words is "nine hundred twenty-three million, one hundred fifty thousand, four hundred ninety-one".