3212400423 has 4 divisors (see below), whose sum is σ = 4283200568. Its totient is φ = 2141600280.

The previous prime is 3212400419. The next prime is 3212400439. The reversal of 3212400423 is 3240042123.

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

It is not a de Polignac number, because 3212400423 - 2² = 3212400419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3212400423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3212400413) 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, 535400068 + ... + 535400073.

It is an arithmetic number, because the mean of its divisors is an integer number (1070800142).

Almost surely, 2^3212400423 is an apocalyptic number.

3212400423 is a deficient number, since it is larger than the sum of its proper divisors (1070800145).

3212400423 is a wasteful number, since it uses less digits than its factorization.

3212400423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070800144.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 3212400423 is about 56678.0418063292. The cubic root of 3212400423 is about 1475.5136271941.

Adding to 3212400423 its reverse (3240042123), we get a palindrome (6452442546).

The spelling of 3212400423 in words is "three billion, two hundred twelve million, four hundred thousand, four hundred twenty-three".