2158469623 has 8 divisors (see below), whose sum is σ = 2233598400. Its totient is φ = 2083387488.

The previous prime is 2158469611. The next prime is 2158469657. The reversal of 2158469623 is 3269648512.

2158469623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2158469623 - 2¹⁷ = 2158338551 is a prime.

It is a super-2 number, since 2×2158469623² = 9317982226827524258, which 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 (2158469603) 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, 101133 + ... + 120601.

It is an arithmetic number, because the mean of its divisors is an integer number (279199800).

Almost surely, 2^2158469623 is an apocalyptic number.

2158469623 is a deficient number, since it is larger than the sum of its proper divisors (75128777).

2158469623 is a wasteful number, since it uses less digits than its factorization.

2158469623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23321.

The product of its digits is 622080, while the sum is 46.

The square root of 2158469623 is about 46459.3330020998. Note that the first 3 decimals coincide. The cubic root of 2158469623 is about 1292.3554551046.

The spelling of 2158469623 in words is "two billion, one hundred fifty-eight million, four hundred sixty-nine thousand, six hundred twenty-three".