155672323 has 2 divisors, whose sum is σ = 155672324. Its totient is φ = 155672322.

The previous prime is 155672311. The next prime is 155672329. The reversal of 155672323 is 323276551.

155672323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 155672323 - 2⁵ = 155672291 is a prime.

It is not a weakly prime, because it can be changed into another prime (155672329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77836161 + 77836162.

It is an arithmetic number, because the mean of its divisors is an integer number (77836162).

Almost surely, 2^155672323 is an apocalyptic number.

155672323 is a deficient number, since it is larger than the sum of its proper divisors (1).

155672323 is an equidigital number, since it uses as much as digits as its factorization.

155672323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37800, while the sum is 34.

The square root of 155672323 is about 12476.8715229420. The cubic root of 155672323 is about 537.9440835461.

The spelling of 155672323 in words is "one hundred fifty-five million, six hundred seventy-two thousand, three hundred twenty-three".