264404241465023 has 4 divisors (see below), whose sum is σ = 288440990689128. Its totient is φ = 240367492240920.

The previous prime is 264404241464999. The next prime is 264404241465059. The reversal of 264404241465023 is 320564142404462.

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

It is a de Polignac number, because none of the positive numbers 2^k-264404241465023 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 (264404241485023) 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, 12018374612036 + ... + 12018374612057.

It is an arithmetic number, because the mean of its divisors is an integer number (72110247672282).

Almost surely, 2^{264404241465023} is an apocalyptic number.

264404241465023 is a deficient number, since it is larger than the sum of its proper divisors (24036749224105).

264404241465023 is a wasteful number, since it uses less digits than its factorization.

264404241465023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24036749224104.

The product of its (nonzero) digits is 4423680, while the sum is 47.

Adding to 264404241465023 its reverse (320564142404462), we get a palindrome (584968383869485).

The spelling of 264404241465023 in words is "two hundred sixty-four trillion, four hundred four billion, two hundred forty-one million, four hundred sixty-five thousand, twenty-three".