400923211213 has 8 divisors (see below), whose sum is σ = 458828220032. Its totient is φ = 343175768496.

The previous prime is 400923211207. The next prime is 400923211319. The reversal of 400923211213 is 312112329004.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400923211213 is a prime.

It is a super-3 number, since 3×400923211213³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400923211613) 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, 39386070 + ... + 39396247.

It is an arithmetic number, because the mean of its divisors is an integer number (57353527504).

Almost surely, 2^400923211213 is an apocalyptic number.

It is an amenable number.

400923211213 is a deficient number, since it is larger than the sum of its proper divisors (57905008819).

400923211213 is an equidigital number, since it uses as much as digits as its factorization.

400923211213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78783051.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 400923211213 in words is "four hundred billion, nine hundred twenty-three million, two hundred eleven thousand, two hundred thirteen".