42203811 has 8 divisors (see below), whose sum is σ = 60600400. Its totient is φ = 25971552.

The previous prime is 42203789. The next prime is 42203813. The reversal of 42203811 is 11830224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42203811 - 2⁵ = 42203779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42203813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 541036 + ... + 541113.

It is an arithmetic number, because the mean of its divisors is an integer number (7575050).

Almost surely, 2^42203811 is an apocalyptic number.

42203811 is a deficient number, since it is larger than the sum of its proper divisors (18396589).

42203811 is a wasteful number, since it uses less digits than its factorization.

42203811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082165.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 42203811 is about 6496.4460284066. The cubic root of 42203811 is about 348.1640213064.

The spelling of 42203811 in words is "forty-two million, two hundred three thousand, eight hundred eleven".