1403420343 has 8 divisors (see below), whose sum is σ = 2015167728. Its totient is φ = 863643264.

The previous prime is 1403420341. The next prime is 1403420353. The reversal of 1403420343 is 3430243041.

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

It is not a de Polignac number, because 1403420343 - 2¹ = 1403420341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403420341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17992530 + ... + 17992607.

It is an arithmetic number, because the mean of its divisors is an integer number (251895966).

Almost surely, 2^1403420343 is an apocalyptic number.

1403420343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1403420343 is a deficient number, since it is larger than the sum of its proper divisors (611747385).

1403420343 is a wasteful number, since it uses less digits than its factorization.

1403420343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35985153.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 1403420343 is about 37462.2522414230. The cubic root of 1403420343 is about 1119.5992249625.

Adding to 1403420343 its reverse (3430243041), we get a palindrome (4833663384).

The spelling of 1403420343 in words is "one billion, four hundred three million, four hundred twenty thousand, three hundred forty-three".