42373811 has 2 divisors, whose sum is σ = 42373812. Its totient is φ = 42373810.

The previous prime is 42373789. The next prime is 42373841. The reversal of 42373811 is 11837324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42373811 - 2¹⁰ = 42372787 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42373841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21186905 + 21186906.

It is an arithmetic number, because the mean of its divisors is an integer number (21186906).

Almost surely, 2^42373811 is an apocalyptic number.

42373811 is a deficient number, since it is larger than the sum of its proper divisors (1).

42373811 is an equidigital number, since it uses as much as digits as its factorization.

42373811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 29.

The square root of 42373811 is about 6509.5169559653. The cubic root of 42373811 is about 348.6308716418.

The spelling of 42373811 in words is "forty-two million, three hundred seventy-three thousand, eight hundred eleven".