48423409 has 2 divisors, whose sum is σ = 48423410. Its totient is φ = 48423408.

The previous prime is 48423377. The next prime is 48423437. The reversal of 48423409 is 90432484.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47224384 + 1199025 = 6872^2 + 1095^2 .

It is a cyclic number.

It is not a de Polignac number, because 48423409 - 2⁵ = 48423377 is a prime.

It is not a weakly prime, because it can be changed into another prime (48423439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24211704 + 24211705.

It is an arithmetic number, because the mean of its divisors is an integer number (24211705).

Almost surely, 2^48423409 is an apocalyptic number.

It is an amenable number.

48423409 is a deficient number, since it is larger than the sum of its proper divisors (1).

48423409 is an equidigital number, since it uses as much as digits as its factorization.

48423409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 48423409 is about 6958.6930525782. The cubic root of 48423409 is about 364.4895824280.

It can be divided in two parts, 484 and 23409, that multiplied together give a square (11329956 = 3366²).

The spelling of 48423409 in words is "forty-eight million, four hundred twenty-three thousand, four hundred nine".