403242442120203 has 16 divisors (see below), whose sum is σ = 615377697017856. Its totient is φ = 230081868898560.

The previous prime is 403242442120157. The next prime is 403242442120211. The reversal of 403242442120203 is 302021244242304.

It is a happy number.

It is not a de Polignac number, because 403242442120203 - 2⁸ = 403242442119947 is a prime.

It is a super-2 number, since 2×403242442120203² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (403242442120303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14265974763 + ... + 14266003028.

It is an arithmetic number, because the mean of its divisors is an integer number (38461106063616).

Almost surely, 2^{403242442120203} is an apocalyptic number.

403242442120203 is a deficient number, since it is larger than the sum of its proper divisors (212135254897653).

403242442120203 is a wasteful number, since it uses less digits than its factorization.

403242442120203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28531978474.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 403242442120203 its reverse (302021244242304), we get a palindrome (705263686362507).

The spelling of 403242442120203 in words is "four hundred three trillion, two hundred forty-two billion, four hundred forty-two million, one hundred twenty thousand, two hundred three".