2103423442 has 8 divisors (see below), whose sum is σ = 3166865100. Its totient is φ = 1047801744.

The previous prime is 2103423437. The next prime is 2103423457. The reversal of 2103423442 is 2443243012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1997106721 + 106316721 = 44689^2 + 10311^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1954317 + ... + 1955392.

Almost surely, 2^2103423442 is an apocalyptic number.

2103423442 is a deficient number, since it is larger than the sum of its proper divisors (1063441658).

2103423442 is a wasteful number, since it uses less digits than its factorization.

2103423442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3909980.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 2103423442 is about 45863.0945532462. The cubic root of 2103423442 is about 1281.2746583809.

Adding to 2103423442 its reverse (2443243012), we get a palindrome (4546666454).

The spelling of 2103423442 in words is "two billion, one hundred three million, four hundred twenty-three thousand, four hundred forty-two".