148477823 has 6 divisors (see below), whose sum is σ = 160777944. Its totient is φ = 137056296.

The previous prime is 148477789. The next prime is 148477867. The reversal of 148477823 is 328774841.

It is not a de Polignac number, because 148477823 - 2⁶ = 148477759 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 (148477873) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 439115 + ... + 439452.

It is an arithmetic number, because the mean of its divisors is an integer number (26796324).

Almost surely, 2^148477823 is an apocalyptic number.

148477823 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

148477823 is a deficient number, since it is larger than the sum of its proper divisors (12300121).

148477823 is an equidigital number, since it uses as much as digits as its factorization.

148477823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878593 (or 878580 counting only the distinct ones).

The product of its digits is 301056, while the sum is 44.

The square root of 148477823 is about 12185.1476396472. The cubic root of 148477823 is about 529.5258878636.

The spelling of 148477823 in words is "one hundred forty-eight million, four hundred seventy-seven thousand, eight hundred twenty-three".