406022023 has 4 divisors (see below), whose sum is σ = 442933128. Its totient is φ = 369110920.

The previous prime is 406021991. The next prime is 406022027. The reversal of 406022023 is 320220604.

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

It is a cyclic number.

It is not a de Polignac number, because 406022023 - 2⁵ = 406021991 is a prime.

It is a super-2 number, since 2×406022023² = 329707766322025058, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406022027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18455536 + ... + 18455557.

It is an arithmetic number, because the mean of its divisors is an integer number (110733282).

Almost surely, 2^406022023 is an apocalyptic number.

406022023 is a deficient number, since it is larger than the sum of its proper divisors (36911105).

406022023 is a wasteful number, since it uses less digits than its factorization.

406022023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36911104.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 406022023 is about 20149.9881637682. The cubic root of 406022023 is about 740.4854514934.

Adding to 406022023 its reverse (320220604), we get a palindrome (726242627).

The spelling of 406022023 in words is "four hundred six million, twenty-two thousand, twenty-three".