403203343401 has 16 divisors (see below), whose sum is σ = 603137691520. Its totient is φ = 266192496720.

The previous prime is 403203343397. The next prime is 403203343421. The reversal of 403203343401 is 104343302304.

403203343401 is a `hidden beast` number, since 4 + 0 + 320 + 334 + 3 + 4 + 0 + 1 = 666.

It is not a de Polignac number, because 403203343401 - 2² = 403203343397 is a prime.

It is a super-2 number, since 2×403203343401² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (403203343421) 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, 72489730 + ... + 72495291.

It is an arithmetic number, because the mean of its divisors is an integer number (37696105720).

Almost surely, 2^403203343401 is an apocalyptic number.

It is an amenable number.

403203343401 is a deficient number, since it is larger than the sum of its proper divisors (199934348119).

403203343401 is a wasteful number, since it uses less digits than its factorization.

403203343401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144985133 (or 144985127 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 403203343401 its reverse (104343302304), we get a palindrome (507546645705).

The spelling of 403203343401 in words is "four hundred three billion, two hundred three million, three hundred forty-three thousand, four hundred one".