155027823 has 16 divisors (see below), whose sum is σ = 214320000. Its totient is φ = 99560160.

The previous prime is 155027801. The next prime is 155027839. The reversal of 155027823 is 328720551.

It is not a de Polignac number, because 155027823 - 2¹⁰ = 155026799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155027863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41628 + ... + 45198.

It is an arithmetic number, because the mean of its divisors is an integer number (13395000).

Almost surely, 2^155027823 is an apocalyptic number.

155027823 is a deficient number, since it is larger than the sum of its proper divisors (59292177).

155027823 is a wasteful number, since it uses less digits than its factorization.

155027823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4102.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 155027823 is about 12451.0169464185. The cubic root of 155027823 is about 537.2006747332.

The spelling of 155027823 in words is "one hundred fifty-five million, twenty-seven thousand, eight hundred twenty-three".