612169423 has 8 divisors (see below), whose sum is σ = 617089968. Its totient is φ = 607267584.

The previous prime is 612169409. The next prime is 612169463. The reversal of 612169423 is 324961216.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 612169423 - 2⁵ = 612169391 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 (612169463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65140 + ... + 73942.

It is an arithmetic number, because the mean of its divisors is an integer number (77136246).

Almost surely, 2^612169423 is an apocalyptic number.

612169423 is a deficient number, since it is larger than the sum of its proper divisors (4920545).

612169423 is a wasteful number, since it uses less digits than its factorization.

612169423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9353.

The product of its digits is 15552, while the sum is 34.

The square root of 612169423 is about 24742.0577761835. The cubic root of 612169423 is about 849.0968136496.

The spelling of 612169423 in words is "six hundred twelve million, one hundred sixty-nine thousand, four hundred twenty-three".