623036031042613 has 4 divisors (see below), whose sum is σ = 623473863813568. Its totient is φ = 622598198271660.

The previous prime is 623036031042583. The next prime is 623036031042721. The reversal of 623036031042613 is 316240130630326.

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-623036031042613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623036031049613) 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, 218916383343 + ... + 218916386188.

It is an arithmetic number, because the mean of its divisors is an integer number (155868465953392).

Almost surely, 2^{623036031042613} is an apocalyptic number.

It is an amenable number.

623036031042613 is a deficient number, since it is larger than the sum of its proper divisors (437832770955).

623036031042613 is a wasteful number, since it uses less digits than its factorization.

623036031042613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437832770954.

The product of its (nonzero) digits is 279936, while the sum is 40.

Adding to 623036031042613 its reverse (316240130630326), we get a palindrome (939276161672939).

The spelling of 623036031042613 in words is "six hundred twenty-three trillion, thirty-six billion, thirty-one million, forty-two thousand, six hundred thirteen".