147429923 has 2 divisors, whose sum is σ = 147429924. Its totient is φ = 147429922.

The previous prime is 147429913. The next prime is 147429937. The reversal of 147429923 is 329924741.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 147429923 - 2⁶ = 147429859 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (147429913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73714961 + 73714962.

It is an arithmetic number, because the mean of its divisors is an integer number (73714962).

Almost surely, 2^147429923 is an apocalyptic number.

147429923 is a deficient number, since it is larger than the sum of its proper divisors (1).

147429923 is an equidigital number, since it uses as much as digits as its factorization.

147429923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 41.

The square root of 147429923 is about 12142.0724343087. The cubic root of 147429923 is about 528.2772149182.

The spelling of 147429923 in words is "one hundred forty-seven million, four hundred twenty-nine thousand, nine hundred twenty-three".