196953923 has 12 divisors (see below), whose sum is σ = 206795232. Its totient is φ = 187492320.

The previous prime is 196953919. The next prime is 196953931. The reversal of 196953923 is 329359691.

It is not a de Polignac number, because 196953923 - 2² = 196953919 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196953983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62813 + ... + 65873.

It is an arithmetic number, because the mean of its divisors is an integer number (17232936).

Almost surely, 2^196953923 is an apocalyptic number.

196953923 is a deficient number, since it is larger than the sum of its proper divisors (9841309).

196953923 is an equidigital number, since it uses as much as digits as its factorization.

196953923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3182 (or 3145 counting only the distinct ones).

The product of its digits is 393660, while the sum is 47.

The square root of 196953923 is about 14034.0273264662. The cubic root of 196953923 is about 581.8194184344.

The spelling of 196953923 in words is "one hundred ninety-six million, nine hundred fifty-three thousand, nine hundred twenty-three".