623434141131 has 4 divisors (see below), whose sum is σ = 831245521512. Its totient is φ = 415622760752.

The previous prime is 623434141103. The next prime is 623434141139. The reversal of 623434141131 is 131141434326.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 623434141131 - 2⁷ = 623434141003 is a prime.

It is a super-2 number, since 2×623434141131² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 623434141092 and 623434141101.

It is not an unprimeable number, because it can be changed into a prime (623434141139) 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, 103905690186 + ... + 103905690191.

It is an arithmetic number, because the mean of its divisors is an integer number (207811380378).

Almost surely, 2^623434141131 is an apocalyptic number.

623434141131 is a deficient number, since it is larger than the sum of its proper divisors (207811380381).

623434141131 is a wasteful number, since it uses less digits than its factorization.

623434141131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207811380380.

The product of its digits is 20736, while the sum is 33.

Adding to 623434141131 its reverse (131141434326), we get a palindrome (754575575457).

The spelling of 623434141131 in words is "six hundred twenty-three billion, four hundred thirty-four million, one hundred forty-one thousand, one hundred thirty-one".