10123420 has 12 divisors (see below), whose sum is σ = 21259224. Its totient is φ = 4049360.

The previous prime is 10123417. The next prime is 10123423. The reversal of 10123420 is 2432101.

10123420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10123417) and next prime (10123423).

It is a self number, because there is not a number n which added to its sum of digits gives 10123420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10123423) 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, 253066 + ... + 253105.

It is an arithmetic number, because the mean of its divisors is an integer number (1771602).

Almost surely, 2^10123420 is an apocalyptic number.

10123420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10123420 is an abundant number, since it is smaller than the sum of its proper divisors (11135804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10123420 is a wasteful number, since it uses less digits than its factorization.

10123420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506180 (or 506178 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 10123420 is about 3181.7322326054. The cubic root of 10123420 is about 216.3261818530.

Adding to 10123420 its reverse (2432101), we get a palindrome (12555521).

The spelling of 10123420 in words is "ten million, one hundred twenty-three thousand, four hundred twenty".