623155045465 has 16 divisors (see below), whose sum is σ = 794352569472. Its totient is φ = 467670737664.

The previous prime is 623155045441. The next prime is 623155045523. The reversal of 623155045465 is 564540551326.

623155045465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 623155045465 - 2²⁹ = 622618174553 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11914029 + ... + 11966218.

It is an arithmetic number, because the mean of its divisors is an integer number (49647035592).

Almost surely, 2^623155045465 is an apocalyptic number.

It is an amenable number.

623155045465 is a deficient number, since it is larger than the sum of its proper divisors (171197524007).

623155045465 is a wasteful number, since it uses less digits than its factorization.

623155045465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23880576.

The product of its (nonzero) digits is 2160000, while the sum is 46.

The spelling of 623155045465 in words is "six hundred twenty-three billion, one hundred fifty-five million, forty-five thousand, four hundred sixty-five".