151916923 has 2 divisors, whose sum is σ = 151916924. Its totient is φ = 151916922.

The previous prime is 151916911. The next prime is 151916929. The reversal of 151916923 is 329619151.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (329619151) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151916923 is a prime.

It is not a weakly prime, because it can be changed into another prime (151916929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75958461 + 75958462.

It is an arithmetic number, because the mean of its divisors is an integer number (75958462).

Almost surely, 2^151916923 is an apocalyptic number.

151916923 is a deficient number, since it is larger than the sum of its proper divisors (1).

151916923 is an equidigital number, since it uses as much as digits as its factorization.

151916923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14580, while the sum is 37.

The square root of 151916923 is about 12325.4583281921. The cubic root of 151916923 is about 533.5830827253.

The spelling of 151916923 in words is "one hundred fifty-one million, nine hundred sixteen thousand, nine hundred twenty-three".