147957923 has 2 divisors, whose sum is σ = 147957924. Its totient is φ = 147957922.

The previous prime is 147957911. The next prime is 147957949. The reversal of 147957923 is 329759741.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 147957923 - 2¹⁶ = 147892387 is a prime.

It is not a weakly prime, because it can be changed into another prime (147957973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73978961 + 73978962.

It is an arithmetic number, because the mean of its divisors is an integer number (73978962).

Almost surely, 2^147957923 is an apocalyptic number.

147957923 is a deficient number, since it is larger than the sum of its proper divisors (1).

147957923 is an equidigital number, since it uses as much as digits as its factorization.

147957923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 476280, while the sum is 47.

The square root of 147957923 is about 12163.7955836162. The cubic root of 147957923 is about 528.9071142882.

The spelling of 147957923 in words is "one hundred forty-seven million, nine hundred fifty-seven thousand, nine hundred twenty-three".