151391423 has 2 divisors, whose sum is σ = 151391424. Its totient is φ = 151391422.

The previous prime is 151391407. The next prime is 151391441. The reversal of 151391423 is 324193151.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 151391423 - 2⁴ = 151391407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151391453) 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, 75695711 + 75695712.

It is an arithmetic number, because the mean of its divisors is an integer number (75695712).

Almost surely, 2^151391423 is an apocalyptic number.

151391423 is a deficient number, since it is larger than the sum of its proper divisors (1).

151391423 is an equidigital number, since it uses as much as digits as its factorization.

151391423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 29.

The square root of 151391423 is about 12304.1221954270. The cubic root of 151391423 is about 532.9671279918.

The spelling of 151391423 in words is "one hundred fifty-one million, three hundred ninety-one thousand, four hundred twenty-three".