623142031640053 has 4 divisors (see below), whose sum is σ = 655938980673760. Its totient is φ = 590345082606348.

The previous prime is 623142031640047. The next prime is 623142031640057. The reversal of 623142031640053 is 350046130241326.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-623142031640053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 623142031639988 and 623142031640015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623142031640057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16398474516825 + ... + 16398474516862.

It is an arithmetic number, because the mean of its divisors is an integer number (163984745168440).

Almost surely, 2^{623142031640053} is an apocalyptic number.

It is an amenable number.

623142031640053 is a deficient number, since it is larger than the sum of its proper divisors (32796949033707).

623142031640053 is a wasteful number, since it uses less digits than its factorization.

623142031640053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32796949033706.

The product of its (nonzero) digits is 311040, while the sum is 40.

Adding to 623142031640053 its reverse (350046130241326), we get a palindrome (973188161881379).

The spelling of 623142031640053 in words is "six hundred twenty-three trillion, one hundred forty-two billion, thirty-one million, six hundred forty thousand, fifty-three".