503223553406 has 8 divisors (see below), whose sum is σ = 862668948720. Its totient is φ = 215667237168.

The previous prime is 503223553307. The next prime is 503223553409. The reversal of 503223553406 is 604355322305.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×503223553406² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 503223553406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503223553409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17972269751 + ... + 17972269778.

It is an arithmetic number, because the mean of its divisors is an integer number (107833618590).

Almost surely, 2^503223553406 is an apocalyptic number.

503223553406 is a deficient number, since it is larger than the sum of its proper divisors (359445395314).

503223553406 is a wasteful number, since it uses less digits than its factorization.

503223553406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35944539538.

The product of its (nonzero) digits is 324000, while the sum is 38.

The spelling of 503223553406 in words is "five hundred three billion, two hundred twenty-three million, five hundred fifty-three thousand, four hundred six".