148913923 has 2 divisors, whose sum is σ = 148913924. Its totient is φ = 148913922.

The previous prime is 148913903. The next prime is 148913929. The reversal of 148913923 is 329319841.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 148913923 - 2²¹ = 146816771 is a prime.

It is not a weakly prime, because it can be changed into another prime (148913929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74456961 + 74456962.

It is an arithmetic number, because the mean of its divisors is an integer number (74456962).

Almost surely, 2^148913923 is an apocalyptic number.

148913923 is a deficient number, since it is larger than the sum of its proper divisors (1).

148913923 is an equidigital number, since it uses as much as digits as its factorization.

148913923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 40.

The square root of 148913923 is about 12203.0292550661. The cubic root of 148913923 is about 530.0438114964.

The spelling of 148913923 in words is "one hundred forty-eight million, nine hundred thirteen thousand, nine hundred twenty-three".