223958008536 has 32 divisors (see below), whose sum is σ = 561158919360. Its totient is φ = 74484149792.

The previous prime is 223958008531. The next prime is 223958008541. The reversal of 223958008536 is 635800859322.

It is an interprime number because it is at equal distance from previous prime (223958008531) and next prime (223958008541).

It is a super-2 number, since 2×223958008536² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223958008531) 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, 10521630 + ... + 10542893.

It is an arithmetic number, because the mean of its divisors is an integer number (17536216230).

Almost surely, 2^223958008536 is an apocalyptic number.

It is an amenable number.

223958008536 is an abundant number, since it is smaller than the sum of its proper divisors (337200910824).

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

223958008536 is a wasteful number, since it uses less digits than its factorization.

223958008536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21064975 (or 21064971 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 51.

The spelling of 223958008536 in words is "two hundred twenty-three billion, nine hundred fifty-eight million, eight thousand, five hundred thirty-six".