1967225423 has 4 divisors (see below), whose sum is σ = 1969605000. Its totient is φ = 1964845848.

The previous prime is 1967225419. The next prime is 1967225441. The reversal of 1967225423 is 3245227691.

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 1967225423 - 2² = 1967225419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1967225483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1188548 + ... + 1190201.

It is an arithmetic number, because the mean of its divisors is an integer number (492401250).

Almost surely, 2^1967225423 is an apocalyptic number.

1967225423 is a deficient number, since it is larger than the sum of its proper divisors (2379577).

1967225423 is an equidigital number, since it uses as much as digits as its factorization.

1967225423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2379576.

The product of its digits is 181440, while the sum is 41.

The square root of 1967225423 is about 44353.4150094443. The cubic root of 1967225423 is about 1253.0008802491. Note that the first 3 decimals are identical.

The spelling of 1967225423 in words is "one billion, nine hundred sixty-seven million, two hundred twenty-five thousand, four hundred twenty-three".