203423463 has 6 divisors (see below), whose sum is σ = 293833904. Its totient is φ = 135615636.

The previous prime is 203423357. The next prime is 203423483. The reversal of 203423463 is 364324302.

It is a happy number.

It is not a de Polignac number, because 203423463 - 2⁹ = 203422951 is a prime.

It is a super-2 number, since 2×203423463² = 82762210597824738, 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 (203423483) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11301295 + ... + 11301312.

Almost surely, 2^203423463 is an apocalyptic number.

203423463 is a deficient number, since it is larger than the sum of its proper divisors (90410441).

203423463 is a wasteful number, since it uses less digits than its factorization.

203423463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22602613 (or 22602610 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

The square root of 203423463 is about 14262.6597449424. The cubic root of 203423463 is about 588.1214434011.

Adding to 203423463 its reverse (364324302), we get a palindrome (567747765).

The spelling of 203423463 in words is "two hundred three million, four hundred twenty-three thousand, four hundred sixty-three".