3215442423 has 4 divisors (see below), whose sum is σ = 4287256568. Its totient is φ = 2143628280.

The previous prime is 3215442383. The next prime is 3215442449. The reversal of 3215442423 is 3242445123.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3215442423 - 2¹⁰ = 3215441399 is a prime.

It is a super-2 number, since 2×3215442423² = 20678139951256221858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3215442323) 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, 535907068 + ... + 535907073.

It is an arithmetic number, because the mean of its divisors is an integer number (1071814142).

Almost surely, 2^3215442423 is an apocalyptic number.

3215442423 is a deficient number, since it is larger than the sum of its proper divisors (1071814145).

3215442423 is a wasteful number, since it uses less digits than its factorization.

3215442423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071814144.

The product of its digits is 23040, while the sum is 30.

The square root of 3215442423 is about 56704.8712457757. The cubic root of 3215442423 is about 1475.9792288005.

Adding to 3215442423 its reverse (3242445123), we get a palindrome (6457887546).

The spelling of 3215442423 in words is "three billion, two hundred fifteen million, four hundred forty-two thousand, four hundred twenty-three".