4023245531 has 4 divisors (see below), whose sum is σ = 4023693864. Its totient is φ = 4022797200.

The previous prime is 4023245521. The next prime is 4023245533. The reversal of 4023245531 is 1355423204.

It is a happy number.

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 4023245531 - 2⁶ = 4023245467 is a prime.

It is a super-2 number, since 2×4023245531² = 32373009205422943922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4023245494 and 4023245503.

It is not an unprimeable number, because it can be changed into a prime (4023245533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210425 + ... + 228746.

It is an arithmetic number, because the mean of its divisors is an integer number (1005923466).

Almost surely, 2^4023245531 is an apocalyptic number.

4023245531 is a deficient number, since it is larger than the sum of its proper divisors (448333).

4023245531 is an equidigital number, since it uses as much as digits as its factorization.

4023245531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448332.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 4023245531 is about 63429.0590423664. The cubic root of 4023245531 is about 1590.4701128248.

Adding to 4023245531 its reverse (1355423204), we get a palindrome (5378668735).

The spelling of 4023245531 in words is "four billion, twenty-three million, two hundred forty-five thousand, five hundred thirty-one".