400220233223223 has 32 divisors (see below), whose sum is σ = 625483386390016. Its totient is φ = 222862848380928.

The previous prime is 400220233223203. The next prime is 400220233223227. The reversal of 400220233223223 is 322322332022004.

It is not a de Polignac number, because 400220233223223 - 2⁶ = 400220233223159 is a prime.

It is a super-2 number, since 2×400220233223223² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400220233223227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 511400890 + ... + 512182887.

It is an arithmetic number, because the mean of its divisors is an integer number (19546355824688).

Almost surely, 2^{400220233223223} is an apocalyptic number.

400220233223223 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

400220233223223 is a deficient number, since it is larger than the sum of its proper divisors (225263153166793).

400220233223223 is a wasteful number, since it uses less digits than its factorization.

400220233223223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023584263.

The product of its (nonzero) digits is 41472, while the sum is 30.

Adding to 400220233223223 its reverse (322322332022004), we get a palindrome (722542565245227).

The spelling of 400220233223223 in words is "four hundred trillion, two hundred twenty billion, two hundred thirty-three million, two hundred twenty-three thousand, two hundred twenty-three".