400232413121223 has 16 divisors (see below), whose sum is σ = 534558204311040. Its totient is φ = 266364254524896.

The previous prime is 400232413121201. The next prime is 400232413121237. The reversal of 400232413121223 is 322121314232004.

It is a happy number.

It is not a de Polignac number, because 400232413121223 - 2²⁸ = 400232144685767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400232413121293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5890588 + ... + 28899201.

It is an arithmetic number, because the mean of its divisors is an integer number (33409887769440).

Almost surely, 2^{400232413121223} is an apocalyptic number.

400232413121223 is a deficient number, since it is larger than the sum of its proper divisors (134325791189817).

400232413121223 is a wasteful number, since it uses less digits than its factorization.

400232413121223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34796366.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 400232413121223 its reverse (322121314232004), we get a palindrome (722353727353227).

The spelling of 400232413121223 in words is "four hundred trillion, two hundred thirty-two billion, four hundred thirteen million, one hundred twenty-one thousand, two hundred twenty-three".