312000400200023 has 4 divisors (see below), whose sum is σ = 312000933392400. Its totient is φ = 311999867007648.

The previous prime is 312000400200011. The next prime is 312000400200031. The reversal of 312000400200023 is 320002004000213.

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 312000400200023 - 2⁶ = 312000400199959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 312000400199974 and 312000400200010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312000400200623) 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, 265717490 + ... + 266889087.

It is an arithmetic number, because the mean of its divisors is an integer number (78000233348100).

Almost surely, 2^{312000400200023} is an apocalyptic number.

312000400200023 is a deficient number, since it is larger than the sum of its proper divisors (533192377).

312000400200023 is an equidigital number, since it uses as much as digits as its factorization.

312000400200023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533192376.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 312000400200023 its reverse (320002004000213), we get a palindrome (632002404200236).

The spelling of 312000400200023 in words is "three hundred twelve trillion, four hundred million, two hundred thousand, twenty-three".