156342513323 has 2 divisors, whose sum is σ = 156342513324. Its totient is φ = 156342513322.

The previous prime is 156342513319. The next prime is 156342513367. The reversal of 156342513323 is 323315243651.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 156342513323 - 2² = 156342513319 is a prime.

It is not a weakly prime, because it can be changed into another prime (156342513923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78171256661 + 78171256662.

It is an arithmetic number, because the mean of its divisors is an integer number (78171256662).

Almost surely, 2^156342513323 is an apocalyptic number.

156342513323 is a deficient number, since it is larger than the sum of its proper divisors (1).

156342513323 is an equidigital number, since it uses as much as digits as its factorization.

156342513323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 194400, while the sum is 38.

Adding to 156342513323 its reverse (323315243651), we get a palindrome (479657756974).

The spelling of 156342513323 in words is "one hundred fifty-six billion, three hundred forty-two million, five hundred thirteen thousand, three hundred twenty-three".