20123007 has 8 divisors (see below), whose sum is σ = 27091584. Its totient is φ = 13284888.

The previous prime is 20122997. The next prime is 20123017. The reversal of 20123007 is 70032102.

It is an interprime number because it is at equal distance from previous prime (20122997) and next prime (20123017).

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

It is not a de Polignac number, because 20123007 - 2¹¹ = 20120959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123017) 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, 32253 + ... + 32870.

It is an arithmetic number, because the mean of its divisors is an integer number (3386448).

Almost surely, 2^20123007 is an apocalyptic number.

20123007 is a deficient number, since it is larger than the sum of its proper divisors (6968577).

20123007 is a wasteful number, since it uses less digits than its factorization.

20123007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65229.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 20123007 is about 4485.8674746363. The cubic root of 20123007 is about 271.9971119575.

Adding to 20123007 its reverse (70032102), we get a palindrome (90155109).

The spelling of 20123007 in words is "twenty million, one hundred twenty-three thousand, seven".