145312423 has 2 divisors, whose sum is σ = 145312424. Its totient is φ = 145312422.

The previous prime is 145312373. The next prime is 145312439. The reversal of 145312423 is 324213541.

It is a strong prime.

It is an emirp because it is prime and its reverse (324213541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145312423 - 2²⁵ = 111757991 is a prime.

It is a super-2 number, since 2×145312423² = 42231400556261858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145312493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72656211 + 72656212.

It is an arithmetic number, because the mean of its divisors is an integer number (72656212).

Almost surely, 2^145312423 is an apocalyptic number.

145312423 is a deficient number, since it is larger than the sum of its proper divisors (1).

145312423 is an equidigital number, since it uses as much as digits as its factorization.

145312423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 25.

The square root of 145312423 is about 12054.5602574296. The cubic root of 145312423 is about 525.7358365042.

Adding to 145312423 its reverse (324213541), we get a palindrome (469525964).

The spelling of 145312423 in words is "one hundred forty-five million, three hundred twelve thousand, four hundred twenty-three".