1631472423 has 8 divisors (see below), whose sum is σ = 2486053248. Its totient is φ = 932269944.

The previous prime is 1631472407. The next prime is 1631472431. The reversal of 1631472423 is 3242741361.

1631472423 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1631472423 - 2⁴ = 1631472407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1631472463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38844561 + ... + 38844602.

It is an arithmetic number, because the mean of its divisors is an integer number (310756656).

Almost surely, 2^1631472423 is an apocalyptic number.

1631472423 is a deficient number, since it is larger than the sum of its proper divisors (854580825).

1631472423 is an equidigital number, since it uses as much as digits as its factorization.

1631472423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77689173.

The product of its digits is 24192, while the sum is 33.

The square root of 1631472423 is about 40391.4894872670. The cubic root of 1631472423 is about 1177.2261819752.

The spelling of 1631472423 in words is "one billion, six hundred thirty-one million, four hundred seventy-two thousand, four hundred twenty-three".