2154310263623 has 8 divisors (see below), whose sum is σ = 2591651445120. Its totient is φ = 1749364725240.

The previous prime is 2154310263619. The next prime is 2154310263629. The reversal of 2154310263623 is 3263620134512.

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 2154310263623 - 2² = 2154310263619 is a prime.

It is a super-2 number, since 2×2154310263623² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154310263629) 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, 8098910633 + ... + 8098910898.

It is an arithmetic number, because the mean of its divisors is an integer number (323956430640).

Almost surely, 2^{2154310263623} is an apocalyptic number.

2154310263623 is a deficient number, since it is larger than the sum of its proper divisors (437341181497).

2154310263623 is a wasteful number, since it uses less digits than its factorization.

2154310263623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16197821557.

The product of its (nonzero) digits is 155520, while the sum is 38.

The spelling of 2154310263623 in words is "two trillion, one hundred fifty-four billion, three hundred ten million, two hundred sixty-three thousand, six hundred twenty-three".