148123831 has 2 divisors, whose sum is σ = 148123832. Its totient is φ = 148123830.

The previous prime is 148123763. The next prime is 148123861. The reversal of 148123831 is 138321841.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 148123831 - 2⁹ = 148123319 is a prime.

It is a super-2 number, since 2×148123831² = 43881338620233122, which contains 22 as substring.

It is equal to p_8344831 and since 148123831 and 8344831 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 148123793 and 148123802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148123861) 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 as a sum of consecutive naturals, namely, 74061915 + 74061916.

It is an arithmetic number, because the mean of its divisors is an integer number (74061916).

Almost surely, 2^148123831 is an apocalyptic number.

148123831 is a deficient number, since it is larger than the sum of its proper divisors (1).

148123831 is an equidigital number, since it uses as much as digits as its factorization.

148123831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 31.

The square root of 148123831 is about 12170.6134192160. The cubic root of 148123831 is about 529.1047316053.

The spelling of 148123831 in words is "one hundred forty-eight million, one hundred twenty-three thousand, eight hundred thirty-one".