400122300243 has 8 divisors (see below), whose sum is σ = 533500267968. Its totient is φ = 266746266344.

The previous prime is 400122300229. The next prime is 400122300289. The reversal of 400122300243 is 342003221004.

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

It is a cyclic number.

It is not a de Polignac number, because 400122300243 - 2³⁸ = 125244393299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (400122300443) 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, 99880 + ... + 900122.

It is an arithmetic number, because the mean of its divisors is an integer number (66687533496).

Almost surely, 2^400122300243 is an apocalyptic number.

400122300243 is a deficient number, since it is larger than the sum of its proper divisors (133377967725).

400122300243 is a wasteful number, since it uses less digits than its factorization.

400122300243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966913.

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

Adding to 400122300243 its reverse (342003221004), we get a palindrome (742125521247).

The spelling of 400122300243 in words is "four hundred billion, one hundred twenty-two million, three hundred thousand, two hundred forty-three".