148809923 has 2 divisors, whose sum is σ = 148809924. Its totient is φ = 148809922.

The previous prime is 148809917. The next prime is 148809949. The reversal of 148809923 is 329908841.

It is a happy number.

148809923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 148809923 - 2¹⁰ = 148808899 is a prime.

It is a super-3 number, since 3×148809923³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (148809223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74404961 + 74404962.

It is an arithmetic number, because the mean of its divisors is an integer number (74404962).

Almost surely, 2^148809923 is an apocalyptic number.

148809923 is a deficient number, since it is larger than the sum of its proper divisors (1).

148809923 is an equidigital number, since it uses as much as digits as its factorization.

148809923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 148809923 is about 12198.7672737863. The cubic root of 148809923 is about 529.9203903211.

The spelling of 148809923 in words is "one hundred forty-eight million, eight hundred nine thousand, nine hundred twenty-three".