151242323 has 2 divisors, whose sum is σ = 151242324. Its totient is φ = 151242322.

The previous prime is 151242313. The next prime is 151242331. The reversal of 151242323 is 323242151.

It is a strong prime.

It is an emirp because it is prime and its reverse (323242151) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151242323 is a prime.

It is a Sophie Germain prime.

It is equal to p_8510306 and since 151242323 and 8510306 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (151242313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75621161 + 75621162.

It is an arithmetic number, because the mean of its divisors is an integer number (75621162).

Almost surely, 2^151242323 is an apocalyptic number.

151242323 is a deficient number, since it is larger than the sum of its proper divisors (1).

151242323 is an equidigital number, since it uses as much as digits as its factorization.

151242323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 23.

The square root of 151242323 is about 12298.0617578544. The cubic root of 151242323 is about 532.7921037643.

Adding to 151242323 its reverse (323242151), we get a palindrome (474484474).

The spelling of 151242323 in words is "one hundred fifty-one million, two hundred forty-two thousand, three hundred twenty-three".