63464140511123 has 4 divisors (see below), whose sum is σ = 69233607830328. Its totient is φ = 57694673191920.

The previous prime is 63464140511119. The next prime is 63464140511131. The reversal of 63464140511123 is 32111504146436.

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 63464140511123 - 2² = 63464140511119 is a prime.

It is a super-4 number, since 4×63464140511123⁴ (a number of 56 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63464140511173) 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, 2884733659586 + ... + 2884733659607.

It is an arithmetic number, because the mean of its divisors is an integer number (17308401957582).

Almost surely, 2^{63464140511123} is an apocalyptic number.

63464140511123 is a deficient number, since it is larger than the sum of its proper divisors (5769467319205).

63464140511123 is a wasteful number, since it uses less digits than its factorization.

63464140511123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5769467319204.

The product of its (nonzero) digits is 207360, while the sum is 41.

Adding to 63464140511123 its reverse (32111504146436), we get a palindrome (95575644657559).

The spelling of 63464140511123 in words is "sixty-three trillion, four hundred sixty-four billion, one hundred forty million, five hundred eleven thousand, one hundred twenty-three".