148005623 has 2 divisors, whose sum is σ = 148005624. Its totient is φ = 148005622.

The previous prime is 148005551. The next prime is 148005659. The reversal of 148005623 is 326500841.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 148005623 - 2²⁰ = 146957047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148005523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74002811 + 74002812.

It is an arithmetic number, because the mean of its divisors is an integer number (74002812).

Almost surely, 2^148005623 is an apocalyptic number.

148005623 is a deficient number, since it is larger than the sum of its proper divisors (1).

148005623 is an equidigital number, since it uses as much as digits as its factorization.

148005623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 148005623 is about 12165.7561622778. The cubic root of 148005623 is about 528.9639461184.

The spelling of 148005623 in words is "one hundred forty-eight million, five thousand, six hundred twenty-three".