49969123 has 2 divisors, whose sum is σ = 49969124. Its totient is φ = 49969122.

The previous prime is 49969097. The next prime is 49969141. The reversal of 49969123 is 32196994.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49969123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49969123.

It is not a weakly prime, because it can be changed into another prime (49969163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24984561 + 24984562.

It is an arithmetic number, because the mean of its divisors is an integer number (24984562).

Almost surely, 2^49969123 is an apocalyptic number.

49969123 is a deficient number, since it is larger than the sum of its proper divisors (1).

49969123 is an equidigital number, since it uses as much as digits as its factorization.

49969123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 104976, while the sum is 43.

The square root of 49969123 is about 7068.8841410791. The cubic root of 49969123 is about 368.3272996880.

The spelling of 49969123 in words is "forty-nine million, nine hundred sixty-nine thousand, one hundred twenty-three".