146911923 has 12 divisors (see below), whose sum is σ = 213393960. Its totient is φ = 97393056.

The previous prime is 146911889. The next prime is 146911931. The reversal of 146911923 is 329119641.

It is a happy number.

146911923 is a `hidden beast` number, since 1 + 469 + 1 + 192 + 3 = 666.

It is not a de Polignac number, because 146911923 - 2¹⁸ = 146649779 is a prime.

It is a super-2 number, since 2×146911923² = 43166226239115858, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (146911123) 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 in 11 ways as a sum of consecutive naturals, for example, 43986 + ... + 47207.

It is an arithmetic number, because the mean of its divisors is an integer number (17782830).

Almost surely, 2^146911923 is an apocalyptic number.

146911923 is a deficient number, since it is larger than the sum of its proper divisors (66482037).

146911923 is a wasteful number, since it uses less digits than its factorization.

146911923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91378 (or 91375 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 146911923 is about 12120.7228744824. The cubic root of 146911923 is about 527.6577822892.

The spelling of 146911923 in words is "one hundred forty-six million, nine hundred eleven thousand, nine hundred twenty-three".