264430310623 has 4 divisors (see below), whose sum is σ = 264431339208. Its totient is φ = 264429282040.

The previous prime is 264430310569. The next prime is 264430310629. The reversal of 264430310623 is 326013034462.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264430310623 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 (264430310629) 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, 244965 + ... + 767377.

It is an arithmetic number, because the mean of its divisors is an integer number (66107834802).

Almost surely, 2^264430310623 is an apocalyptic number.

264430310623 is a deficient number, since it is larger than the sum of its proper divisors (1028585).

264430310623 is an equidigital number, since it uses as much as digits as its factorization.

264430310623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028584.

The product of its (nonzero) digits is 62208, while the sum is 34.

The spelling of 264430310623 in words is "two hundred sixty-four billion, four hundred thirty million, three hundred ten thousand, six hundred twenty-three".