10120023 has 12 divisors (see below), whose sum is σ = 15253680. Its totient is φ = 6453216.

The previous prime is 10120021. The next prime is 10120039. The reversal of 10120023 is 32002101.

It is a happy number.

It is not a de Polignac number, because 10120023 - 2¹ = 10120021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 10119987 and 10120014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24238 + ... + 24651.

It is an arithmetic number, because the mean of its divisors is an integer number (1271140).

Almost surely, 2^10120023 is an apocalyptic number.

10120023 is a deficient number, since it is larger than the sum of its proper divisors (5133657).

10120023 is a wasteful number, since it uses less digits than its factorization.

10120023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48918 (or 48915 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 10120023 is about 3181.1983591093. The cubic root of 10120023 is about 216.3019824470.

Adding to 10120023 its reverse (32002101), we get a palindrome (42122124).

The spelling of 10120023 in words is "ten million, one hundred twenty thousand, twenty-three".