42003405423002 has 4 divisors (see below), whose sum is σ = 63005108134506. Its totient is φ = 21001702711500.

The previous prime is 42003405422921. The next prime is 42003405423029. The reversal of 42003405423002 is 20032450430024.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 22903699779961 + 19099705643041 = 4785781^2 + 4370321^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10500851355749 + ... + 10500851355752.

Almost surely, 2^{42003405423002} is an apocalyptic number.

42003405423002 is a deficient number, since it is larger than the sum of its proper divisors (21001702711504).

42003405423002 is a wasteful number, since it uses less digits than its factorization.

42003405423002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21001702711503.

The product of its (nonzero) digits is 23040, while the sum is 29.

Adding to 42003405423002 its reverse (20032450430024), we get a palindrome (62035855853026).

The spelling of 42003405423002 in words is "forty-two trillion, three billion, four hundred five million, four hundred twenty-three thousand, two".