531423023226 has 16 divisors (see below), whose sum is σ = 1064415989664. Its totient is φ = 176879350544.

The previous prime is 531423023203. The next prime is 531423023227. The reversal of 531423023226 is 622320324135.

It is a super-2 number, since 2×531423023226² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (531423023227) 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, 65409900 + ... + 65418023.

It is an arithmetic number, because the mean of its divisors is an integer number (66525999354).

Almost surely, 2^531423023226 is an apocalyptic number.

531423023226 is an abundant number, since it is smaller than the sum of its proper divisors (532992966438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

531423023226 is a wasteful number, since it uses less digits than its factorization.

531423023226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130828605.

The product of its (nonzero) digits is 51840, while the sum is 33.

The spelling of 531423023226 in words is "five hundred thirty-one billion, four hundred twenty-three million, twenty-three thousand, two hundred twenty-six".