901023 has 8 divisors (see below), whose sum is σ = 1209648. Its totient is φ = 596544.

The previous prime is 901013. The next prime is 901063. The reversal of 901023 is 320109.

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

It is not a de Polignac number, because 901023 - 2⁴ = 901007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 900993 and 901011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (901013) 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, 486 + ... + 1427.

It is an arithmetic number, because the mean of its divisors is an integer number (151206).

2⁹⁰¹⁰²³ is an apocalyptic number.

901023 is a deficient number, since it is larger than the sum of its proper divisors (308625).

901023 is a wasteful number, since it uses less digits than its factorization.

901023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2073.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 901023 is about 949.2223132649. Note that the first 3 decimals coincide. The cubic root of 901023 is about 96.5855059291.

The spelling of 901023 in words is "nine hundred one thousand, twenty-three".