623204311030 has 64 divisors (see below), whose sum is σ = 1338039336960. Its totient is φ = 204337419264.

The previous prime is 623204311019. The next prime is 623204311069. The reversal of 623204311030 is 30113402326.

It is a super-2 number, since 2×623204311030² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 623204310986 and 623204311004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8203782 + ... + 8279398.

It is an arithmetic number, because the mean of its divisors is an integer number (20906864640).

Almost surely, 2^623204311030 is an apocalyptic number.

623204311030 is an abundant number, since it is smaller than the sum of its proper divisors (714835025930).

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

623204311030 is a wasteful number, since it uses less digits than its factorization.

623204311030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80773.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 623204311030 its reverse (30113402326), we get a palindrome (653317713356).

The spelling of 623204311030 in words is "six hundred twenty-three billion, two hundred four million, three hundred eleven thousand, thirty".