150978823 has 2 divisors, whose sum is σ = 150978824. Its totient is φ = 150978822.

The previous prime is 150978811. The next prime is 150978829. The reversal of 150978823 is 328879051.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 150978823 - 2⁵ = 150978791 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 150978823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150978829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75489411 + 75489412.

It is an arithmetic number, because the mean of its divisors is an integer number (75489412).

Almost surely, 2^150978823 is an apocalyptic number.

150978823 is a deficient number, since it is larger than the sum of its proper divisors (1).

150978823 is an equidigital number, since it uses as much as digits as its factorization.

150978823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 150978823 is about 12287.3440173212. The cubic root of 150978823 is about 532.4825071582.

The spelling of 150978823 in words is "one hundred fifty million, nine hundred seventy-eight thousand, eight hundred twenty-three".