1672407323 has 4 divisors (see below), whose sum is σ = 1674252120. Its totient is φ = 1670562528.

The previous prime is 1672407307. The next prime is 1672407329. The reversal of 1672407323 is 3237042761.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3237042761 = 29723 ⋅108907.

It is a cyclic number.

It is not a de Polignac number, because 1672407323 - 2⁴ = 1672407307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1672407329) 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, 921038 + ... + 922851.

It is an arithmetic number, because the mean of its divisors is an integer number (418563030).

Almost surely, 2^1672407323 is an apocalyptic number.

1672407323 is a deficient number, since it is larger than the sum of its proper divisors (1844797).

1672407323 is an equidigital number, since it uses as much as digits as its factorization.

1672407323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844796.

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 1672407323 is about 40895.0770020060. The cubic root of 1672407323 is about 1186.9908017136.

The spelling of 1672407323 in words is "one billion, six hundred seventy-two million, four hundred seven thousand, three hundred twenty-three".