3123400343 has 8 divisors (see below), whose sum is σ = 3601190688. Its totient is φ = 2653507584.

The previous prime is 3123400303. The next prime is 3123400363. The reversal of 3123400343 is 3430043213.

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

It is not a de Polignac number, because 3123400343 - 2¹⁰ = 3123399319 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 (3123400303) 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, 1973546 + ... + 1975127.

It is an arithmetic number, because the mean of its divisors is an integer number (450148836).

Almost surely, 2^3123400343 is an apocalyptic number.

3123400343 is a deficient number, since it is larger than the sum of its proper divisors (477790345).

3123400343 is a wasteful number, since it uses less digits than its factorization.

3123400343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3948793.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 3123400343 is about 55887.3898388536. The cubic root of 3123400343 is about 1461.7593638382.

Adding to 3123400343 its reverse (3430043213), we get a palindrome (6553443556).

The spelling of 3123400343 in words is "three billion, one hundred twenty-three million, four hundred thousand, three hundred forty-three".