623460022643441 has 4 divisors (see below), whose sum is σ = 624403229940084. Its totient is φ = 622516815346800.

The previous prime is 623460022643411. The next prime is 623460022643443. The reversal of 623460022643441 is 144346220064326.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 359284443040000 + 264175579603441 = 18954800^2 + 16253479^2 .

It is a cyclic number.

It is not a de Polignac number, because 623460022643441 - 2³⁰ = 623458948901617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (623460022643443) 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, 471603647330 + ... + 471603648651.

It is an arithmetic number, because the mean of its divisors is an integer number (156100807485021).

Almost surely, 2^{623460022643441} is an apocalyptic number.

It is an amenable number.

623460022643441 is a deficient number, since it is larger than the sum of its proper divisors (943207296643).

623460022643441 is an equidigital number, since it uses as much as digits as its factorization.

623460022643441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943207296642.

The product of its (nonzero) digits is 3981312, while the sum is 47.

The spelling of 623460022643441 in words is "six hundred twenty-three trillion, four hundred sixty billion, twenty-two million, six hundred forty-three thousand, four hundred forty-one".