403142234 has 12 divisors (see below), whose sum is σ = 664685322. Its totient is φ = 183246360.

The previous prime is 403142231. The next prime is 403142249. The reversal of 403142234 is 432241304.

It can be written as a sum of positive squares in only one way, i.e., 222159025 + 180983209 = 14905^2 + 13453^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (403142231) 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, 832697 + ... + 833180.

Almost surely, 2^403142234 is an apocalyptic number.

403142234 is a deficient number, since it is larger than the sum of its proper divisors (261543088).

403142234 is a wasteful number, since it uses less digits than its factorization.

403142234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665901 (or 1665890 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 403142234 is about 20078.4021774642. The cubic root of 403142234 is about 738.7306177807.

Adding to 403142234 its reverse (432241304), we get a palindrome (835383538).

The spelling of 403142234 in words is "four hundred three million, one hundred forty-two thousand, two hundred thirty-four".