151323143 has 2 divisors, whose sum is σ = 151323144. Its totient is φ = 151323142.

The previous prime is 151323101. The next prime is 151323191. The reversal of 151323143 is 341323151.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 151323143 - 2⁶ = 151323079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151323043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75661571 + 75661572.

It is an arithmetic number, because the mean of its divisors is an integer number (75661572).

Almost surely, 2^151323143 is an apocalyptic number.

151323143 is a deficient number, since it is larger than the sum of its proper divisors (1).

151323143 is an equidigital number, since it uses as much as digits as its factorization.

151323143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 23.

The square root of 151323143 is about 12301.3472026441. The cubic root of 151323143 is about 532.8869903215.

Adding to 151323143 its reverse (341323151), we get a palindrome (492646294).

The spelling of 151323143 in words is "one hundred fifty-one million, three hundred twenty-three thousand, one hundred forty-three".