10231855 has 4 divisors (see below), whose sum is σ = 12278232. Its totient is φ = 8185480.

The previous prime is 10231831. The next prime is 10231873. The reversal of 10231855 is 55813201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 10231855 - 2¹³ = 10223663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1023181 + ... + 1023190.

It is an arithmetic number, because the mean of its divisors is an integer number (3069558).

Almost surely, 2^10231855 is an apocalyptic number.

10231855 is a deficient number, since it is larger than the sum of its proper divisors (2046377).

10231855 is an equidigital number, since it uses as much as digits as its factorization.

10231855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046376.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 10231855 is about 3198.7270905784. The cubic root of 10231855 is about 217.0958187131.

The spelling of 10231855 in words is "ten million, two hundred thirty-one thousand, eight hundred fifty-five".