402342103 has 4 divisors (see below), whose sum is σ = 402514168. Its totient is φ = 402170040.

The previous prime is 402342097. The next prime is 402342113. The reversal of 402342103 is 301243204.

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

It is a cyclic number.

It is not a de Polignac number, because 402342103 - 2⁵ = 402342071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402342113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82476 + ... + 87217.

It is an arithmetic number, because the mean of its divisors is an integer number (100628542).

Almost surely, 2^402342103 is an apocalyptic number.

402342103 is a deficient number, since it is larger than the sum of its proper divisors (172065).

402342103 is a wasteful number, since it uses less digits than its factorization.

402342103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172064.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 402342103 is about 20058.4671149118. The cubic root of 402342103 is about 738.2415656161.

Adding to 402342103 its reverse (301243204), we get a palindrome (703585307).

The spelling of 402342103 in words is "four hundred two million, three hundred forty-two thousand, one hundred three".