151222523 has 2 divisors, whose sum is σ = 151222524. Its totient is φ = 151222522.

The previous prime is 151222499. The next prime is 151222537. The reversal of 151222523 is 325222151.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 151222523 - 2⁶ = 151222459 is a prime.

It is not a weakly prime, because it can be changed into another prime (151227523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75611261 + 75611262.

It is an arithmetic number, because the mean of its divisors is an integer number (75611262).

Almost surely, 2^151222523 is an apocalyptic number.

151222523 is a deficient number, since it is larger than the sum of its proper divisors (1).

151222523 is an equidigital number, since it uses as much as digits as its factorization.

151222523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1200, while the sum is 23.

The square root of 151222523 is about 12297.2567266037. The cubic root of 151222523 is about 532.7688524595.

Adding to 151222523 its reverse (325222151), we get a palindrome (476444674).

The spelling of 151222523 in words is "one hundred fifty-one million, two hundred twenty-two thousand, five hundred twenty-three".