123202343 has 4 divisors (see below), whose sum is σ = 134402568. Its totient is φ = 112002120.

The previous prime is 123202309. The next prime is 123202351. The reversal of 123202343 is 343202321.

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 123202343 - 2⁶ = 123202279 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 (123202363) 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, 5600096 + ... + 5600117.

It is an arithmetic number, because the mean of its divisors is an integer number (33600642).

Almost surely, 2^123202343 is an apocalyptic number.

123202343 is a deficient number, since it is larger than the sum of its proper divisors (11200225).

123202343 is a wasteful number, since it uses less digits than its factorization.

123202343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11200224.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 123202343 is about 11099.6550847312. The cubic root of 123202343 is about 497.5915412808.

Adding to 123202343 its reverse (343202321), we get a palindrome (466404664).

The spelling of 123202343 in words is "one hundred twenty-three million, two hundred two thousand, three hundred forty-three".