157326223 has 2 divisors, whose sum is σ = 157326224. Its totient is φ = 157326222.

The previous prime is 157326199. The next prime is 157326227. The reversal of 157326223 is 322623751.

157326223 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 an emirp because it is prime and its reverse (322623751) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157326223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157326227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78663111 + 78663112.

It is an arithmetic number, because the mean of its divisors is an integer number (78663112).

Almost surely, 2^157326223 is an apocalyptic number.

157326223 is a deficient number, since it is larger than the sum of its proper divisors (1).

157326223 is an equidigital number, since it uses as much as digits as its factorization.

157326223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 31.

The square root of 157326223 is about 12542.9750458175. The cubic root of 157326223 is about 539.8424586153.

Adding to 157326223 its reverse (322623751), we get a palindrome (479949974).

The spelling of 157326223 in words is "one hundred fifty-seven million, three hundred twenty-six thousand, two hundred twenty-three".