551622303323 has 24 divisors (see below), whose sum is σ = 692647018560. Its totient is φ = 435435557760.

The previous prime is 551622303313. The next prime is 551622303341. The reversal of 551622303323 is 323303226155.

It is a de Polignac number, because none of the positive numbers 2^k-551622303323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (551622303313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 730058 + ... + 1279151.

It is an arithmetic number, because the mean of its divisors is an integer number (28860292440).

Almost surely, 2^551622303323 is an apocalyptic number.

551622303323 is a deficient number, since it is larger than the sum of its proper divisors (141024715237).

551622303323 is a wasteful number, since it uses less digits than its factorization.

551622303323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2009667 (or 2009660 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 35.

Adding to 551622303323 its reverse (323303226155), we get a palindrome (874925529478).

The spelling of 551622303323 in words is "five hundred fifty-one billion, six hundred twenty-two million, three hundred three thousand, three hundred twenty-three".