148195623 has 4 divisors (see below), whose sum is σ = 197594168. Its totient is φ = 98797080.

The previous prime is 148195603. The next prime is 148195643. The reversal of 148195623 is 326591841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 326591841 = 3 ⋅108863947.

It is an interprime number because it is at equal distance from previous prime (148195603) and next prime (148195643).

It is not a de Polignac number, because 148195623 - 2⁹ = 148195111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148195603) 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 in 3 ways as a sum of consecutive naturals, for example, 24699268 + ... + 24699273.

It is an arithmetic number, because the mean of its divisors is an integer number (49398542).

Almost surely, 2^148195623 is an apocalyptic number.

148195623 is a deficient number, since it is larger than the sum of its proper divisors (49398545).

148195623 is an equidigital number, since it uses as much as digits as its factorization.

148195623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49398544.

The product of its digits is 51840, while the sum is 39.

The square root of 148195623 is about 12173.5624613340. The cubic root of 148195623 is about 529.1901991753.

The spelling of 148195623 in words is "one hundred forty-eight million, one hundred ninety-five thousand, six hundred twenty-three".