403023461 has 2 divisors, whose sum is σ = 403023462. Its totient is φ = 403023460.

The previous prime is 403023433. The next prime is 403023463. The reversal of 403023461 is 164320304.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 316626436 + 86397025 = 17794^2 + 9295^2 .

It is a cyclic number.

It is not a de Polignac number, because 403023461 - 2¹⁰ = 403022437 is a prime.

Together with 403023463, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (403023463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201511730 + 201511731.

It is an arithmetic number, because the mean of its divisors is an integer number (201511731).

Almost surely, 2^403023461 is an apocalyptic number.

It is an amenable number.

403023461 is a deficient number, since it is larger than the sum of its proper divisors (1).

403023461 is an equidigital number, since it uses as much as digits as its factorization.

403023461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 403023461 is about 20075.4442292070. Note that the first 3 decimals coincide. The cubic root of 403023461 is about 738.6580628506.

Adding to 403023461 its reverse (164320304), we get a palindrome (567343765).

The spelling of 403023461 in words is "four hundred three million, twenty-three thousand, four hundred sixty-one".