49147223 has 2 divisors, whose sum is σ = 49147224. Its totient is φ = 49147222.

The previous prime is 49147213. The next prime is 49147249. The reversal of 49147223 is 32274194.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49147223 - 2⁴ = 49147207 is a prime.

It is a super-2 number, since 2×49147223² = 4830899057223458, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 49147223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49147213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24573611 + 24573612.

It is an arithmetic number, because the mean of its divisors is an integer number (24573612).

Almost surely, 2^49147223 is an apocalyptic number.

49147223 is a deficient number, since it is larger than the sum of its proper divisors (1).

49147223 is an equidigital number, since it uses as much as digits as its factorization.

49147223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 32.

The square root of 49147223 is about 7010.5080415046. The cubic root of 49147223 is about 366.2966902623.

The spelling of 49147223 in words is "forty-nine million, one hundred forty-seven thousand, two hundred twenty-three".