148423131 has 32 divisors (see below), whose sum is σ = 229363200. Its totient is φ = 94741920.

The previous prime is 148423123. The next prime is 148423147. The reversal of 148423131 is 131324841.

148423131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 148423131 - 2³ = 148423123 is a prime.

It is a super-2 number, since 2×148423131² = 44058851631686322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 148423095 and 148423104.

It is not an unprimeable number, because it can be changed into a prime (148423111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101850 + ... + 103296.

It is an arithmetic number, because the mean of its divisors is an integer number (7167600).

Almost surely, 2^148423131 is an apocalyptic number.

148423131 is a deficient number, since it is larger than the sum of its proper divisors (80940069).

148423131 is a wasteful number, since it uses less digits than its factorization.

148423131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1616 (or 1610 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 148423131 is about 12182.9032254221. The cubic root of 148423131 is about 529.4608626948.

Adding to 148423131 its reverse (131324841), we get a palindrome (279747972).

The spelling of 148423131 in words is "one hundred forty-eight million, four hundred twenty-three thousand, one hundred thirty-one".