1303423042 has 4 divisors (see below), whose sum is σ = 1955134566. Its totient is φ = 651711520.

The previous prime is 1303423027. The next prime is 1303423057. The reversal of 1303423042 is 2403243031.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (1303423027) and next prime (1303423057).

It can be written as a sum of positive squares in only one way, i.e., 1229273721 + 74149321 = 35061^2 + 8611^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325855759 + ... + 325855762.

Almost surely, 2^1303423042 is an apocalyptic number.

1303423042 is a deficient number, since it is larger than the sum of its proper divisors (651711524).

1303423042 is an equidigital number, since it uses as much as digits as its factorization.

1303423042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651711523.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 1303423042 is about 36102.9505996394. The cubic root of 1303423042 is about 1092.3499624121.

Adding to 1303423042 its reverse (2403243031), we get a palindrome (3706666073).

The spelling of 1303423042 in words is "one billion, three hundred three million, four hundred twenty-three thousand, forty-two".