150172678923 has 4 divisors (see below), whose sum is σ = 200230238568. Its totient is φ = 100115119280.

The previous prime is 150172678921. The next prime is 150172678963. The reversal of 150172678923 is 329876271051.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 150172678923 - 2¹ = 150172678921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (150172678921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25028779818 + ... + 25028779823.

It is an arithmetic number, because the mean of its divisors is an integer number (50057559642).

Almost surely, 2^150172678923 is an apocalyptic number.

150172678923 is a deficient number, since it is larger than the sum of its proper divisors (50057559645).

150172678923 is an equidigital number, since it uses as much as digits as its factorization.

150172678923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50057559644.

The product of its (nonzero) digits is 1270080, while the sum is 51.

The spelling of 150172678923 in words is "one hundred fifty billion, one hundred seventy-two million, six hundred seventy-eight thousand, nine hundred twenty-three".