151223431393 has 2 divisors, whose sum is σ = 151223431394. Its totient is φ = 151223431392.

The previous prime is 151223431367. The next prime is 151223431433. The reversal of 151223431393 is 393134322151.

151223431393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146009580544 + 5213850849 = 382112^2 + 72207^2 .

It is an emirp because it is prime and its reverse (393134322151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 151223431393 - 2⁹ = 151223430881 is a prime.

It is not a weakly prime, because it can be changed into another prime (151223411393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75611715696 + 75611715697.

It is an arithmetic number, because the mean of its divisors is an integer number (75611715697).

Almost surely, 2^151223431393 is an apocalyptic number.

It is an amenable number.

151223431393 is a deficient number, since it is larger than the sum of its proper divisors (1).

151223431393 is an equidigital number, since it uses as much as digits as its factorization.

151223431393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 37.

The spelling of 151223431393 in words is "one hundred fifty-one billion, two hundred twenty-three million, four hundred thirty-one thousand, three hundred ninety-three".