523400226 has 16 divisors (see below), whose sum is σ = 1049821344. Its totient is φ = 173963264.

The previous prime is 523400221. The next prime is 523400231. The reversal of 523400226 is 622004325.

It is an interprime number because it is at equal distance from previous prime (523400221) and next prime (523400231).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 523400196 and 523400205.

It is not an unprimeable number, because it can be changed into a prime (523400221) 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, 123615 + ... + 127778.

It is an arithmetic number, because the mean of its divisors is an integer number (65613834).

Almost surely, 2^523400226 is an apocalyptic number.

523400226 is an abundant number, since it is smaller than the sum of its proper divisors (526421118).

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

523400226 is a wasteful number, since it uses less digits than its factorization.

523400226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251745.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 523400226 is about 22877.9419091841. The cubic root of 523400226 is about 805.8940857529.

The spelling of 523400226 in words is "five hundred twenty-three million, four hundred thousand, two hundred twenty-six".