157967223 has 4 divisors (see below), whose sum is σ = 210622968. Its totient is φ = 105311480.

The previous prime is 157967209. The next prime is 157967231. The reversal of 157967223 is 322769751.

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 157967223 - 2⁵ = 157967191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157967323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26327868 + ... + 26327873.

It is an arithmetic number, because the mean of its divisors is an integer number (52655742).

Almost surely, 2^157967223 is an apocalyptic number.

157967223 is a deficient number, since it is larger than the sum of its proper divisors (52655745).

157967223 is an equidigital number, since it uses as much as digits as its factorization.

157967223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52655744.

The product of its digits is 158760, while the sum is 42.

The square root of 157967223 is about 12568.5012232963. The cubic root of 157967223 is about 540.5746317827.

The spelling of 157967223 in words is "one hundred fifty-seven million, nine hundred sixty-seven thousand, two hundred twenty-three".