151389923 has 2 divisors, whose sum is σ = 151389924. Its totient is φ = 151389922.

The previous prime is 151389911. The next prime is 151389943. The reversal of 151389923 is 329983151.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 151389923 - 2⁶ = 151389859 is a prime.

It is not a weakly prime, because it can be changed into another prime (151389943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75694961 + 75694962.

It is an arithmetic number, because the mean of its divisors is an integer number (75694962).

Almost surely, 2^151389923 is an apocalyptic number.

151389923 is a deficient number, since it is larger than the sum of its proper divisors (1).

151389923 is an equidigital number, since it uses as much as digits as its factorization.

151389923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 41.

The square root of 151389923 is about 12304.0612400947. The cubic root of 151389923 is about 532.9653677571.

The spelling of 151389923 in words is "one hundred fifty-one million, three hundred eighty-nine thousand, nine hundred twenty-three".