148776923 has 2 divisors, whose sum is σ = 148776924. Its totient is φ = 148776922.

The previous prime is 148776913. The next prime is 148776959. The reversal of 148776923 is 329677841.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148776923 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (148776913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74388461 + 74388462.

It is an arithmetic number, because the mean of its divisors is an integer number (74388462).

Almost surely, 2^148776923 is an apocalyptic number.

148776923 is a deficient number, since it is larger than the sum of its proper divisors (1).

148776923 is an equidigital number, since it uses as much as digits as its factorization.

148776923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 47.

The square root of 148776923 is about 12197.4146031034. The cubic root of 148776923 is about 529.8812158150.

The spelling of 148776923 in words is "one hundred forty-eight million, seven hundred seventy-six thousand, nine hundred twenty-three".