6472121423 has 2 divisors, whose sum is σ = 6472121424. Its totient is φ = 6472121422.

The previous prime is 6472121401. The next prime is 6472121471. The reversal of 6472121423 is 3241212746.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6472121423 - 2¹⁰ = 6472120399 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6472121423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6472121473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3236060711 + 3236060712.

It is an arithmetic number, because the mean of its divisors is an integer number (3236060712).

Almost surely, 2^6472121423 is an apocalyptic number.

6472121423 is a deficient number, since it is larger than the sum of its proper divisors (1).

6472121423 is an equidigital number, since it uses as much as digits as its factorization.

6472121423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 32.

The square root of 6472121423 is about 80449.4961015916. The cubic root of 6472121423 is about 1863.5836239839.

The spelling of 6472121423 in words is "six billion, four hundred seventy-two million, one hundred twenty-one thousand, four hundred twenty-three".