623130411321 has 20 divisors (see below), whose sum is σ = 1015471782864. Its totient is φ = 377654794200.

The previous prime is 623130411313. The next prime is 623130411359. The reversal of 623130411321 is 123114031326.

It is a happy number.

623130411321 is a `hidden beast` number, since 6 + 2 + 31 + 304 + 1 + 1 + 321 = 666.

It is not a de Polignac number, because 623130411321 - 2³ = 623130411313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (623130411301) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 349679475 + ... + 349681256.

Almost surely, 2^623130411321 is an apocalyptic number.

It is an amenable number.

623130411321 is a deficient number, since it is larger than the sum of its proper divisors (392341371543).

623130411321 is a wasteful number, since it uses less digits than its factorization.

623130411321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699360754 (or 699360745 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 623130411321 its reverse (123114031326), we get a palindrome (746244442647).

The spelling of 623130411321 in words is "six hundred twenty-three billion, one hundred thirty million, four hundred eleven thousand, three hundred twenty-one".