155423328573 has 16 divisors (see below), whose sum is σ = 209887420160. Its totient is φ = 102294259776.

The previous prime is 155423328551. The next prime is 155423328601. The reversal of 155423328573 is 375823324551.

It is not a de Polignac number, because 155423328573 - 2⁸ = 155423328317 is a prime.

It is a super-2 number, since 2×155423328573² (a number of 23 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 (155423328503) 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, 767365 + ... + 948522.

It is an arithmetic number, because the mean of its divisors is an integer number (13117963760).

Almost surely, 2^155423328573 is an apocalyptic number.

It is an amenable number.

155423328573 is a deficient number, since it is larger than the sum of its proper divisors (54464091587).

155423328573 is a wasteful number, since it uses less digits than its factorization.

155423328573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716276.

The product of its digits is 3024000, while the sum is 48.

The spelling of 155423328573 in words is "one hundred fifty-five billion, four hundred twenty-three million, three hundred twenty-eight thousand, five hundred seventy-three".