146390123 has 4 divisors (see below), whose sum is σ = 159698328. Its totient is φ = 133081920.

The previous prime is 146390113. The next prime is 146390203. The reversal of 146390123 is 321093641.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 146390123 - 2¹² = 146386027 is a prime.

It is a super-2 number, since 2×146390123² = 42860136223910258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146390113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6654086 + ... + 6654107.

It is an arithmetic number, because the mean of its divisors is an integer number (39924582).

Almost surely, 2^146390123 is an apocalyptic number.

146390123 is a deficient number, since it is larger than the sum of its proper divisors (13308205).

146390123 is a wasteful number, since it uses less digits than its factorization.

146390123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13308204.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 146390123 is about 12099.1786084841. The cubic root of 146390123 is about 527.0323316942.

The spelling of 146390123 in words is "one hundred forty-six million, three hundred ninety thousand, one hundred twenty-three".