623136551423 has 8 divisors (see below), whose sum is σ = 629711769792. Its totient is φ = 616564417536.

The previous prime is 623136551417. The next prime is 623136551431. The reversal of 623136551423 is 324155631326.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 623136551423 - 2⁴ = 623136551407 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 (623136550423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363815 + ... + 1174152.

It is an arithmetic number, because the mean of its divisors is an integer number (78713971224).

Almost surely, 2^623136551423 is an apocalyptic number.

623136551423 is a deficient number, since it is larger than the sum of its proper divisors (6575218369).

623136551423 is a wasteful number, since it uses less digits than its factorization.

623136551423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542241.

The product of its digits is 388800, while the sum is 41.

The spelling of 623136551423 in words is "six hundred twenty-three billion, one hundred thirty-six million, five hundred fifty-one thousand, four hundred twenty-three".