49031923 has 2 divisors, whose sum is σ = 49031924. Its totient is φ = 49031922.

The previous prime is 49031909. The next prime is 49031947. The reversal of 49031923 is 32913094.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49031923 is a prime.

It is not a weakly prime, because it can be changed into another prime (49031963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24515961 + 24515962.

It is an arithmetic number, because the mean of its divisors is an integer number (24515962).

Almost surely, 2^49031923 is an apocalyptic number.

49031923 is a deficient number, since it is larger than the sum of its proper divisors (1).

49031923 is an equidigital number, since it uses as much as digits as its factorization.

49031923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 49031923 is about 7002.2798430226. The cubic root of 49031923 is about 366.0100204290.

The spelling of 49031923 in words is "forty-nine million, thirty-one thousand, nine hundred twenty-three".