623314616661523 has 8 divisors (see below), whose sum is σ = 644982921676080. Its totient is φ = 601657958149920.

The previous prime is 623314616661463. The next prime is 623314616661547. The reversal of 623314616661523 is 325166616413326.

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 623314616661523 - 2¹³ = 623314616653331 is a prime.

It is a super-2 number, since 2×623314616661523² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (623314616661593) 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, 2911516840 + ... + 2911730917.

It is an arithmetic number, because the mean of its divisors is an integer number (80622865209510).

Almost surely, 2^{623314616661523} is an apocalyptic number.

623314616661523 is a deficient number, since it is larger than the sum of its proper divisors (21668305014557).

623314616661523 is a wasteful number, since it uses less digits than its factorization.

623314616661523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5823251477.

The product of its digits is 16796160, while the sum is 55.

The spelling of 623314616661523 in words is "six hundred twenty-three trillion, three hundred fourteen billion, six hundred sixteen million, six hundred sixty-one thousand, five hundred twenty-three".