102012023 has 4 divisors (see below), whose sum is σ = 102084840. Its totient is φ = 101939208.

The previous prime is 102012017. The next prime is 102012049. The reversal of 102012023 is 320210201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320210201 = 47 ⋅6812983.

It is a cyclic number.

It is not a de Polignac number, because 102012023 - 2¹⁶ = 101946487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102011995 and 102012013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102012013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34265 + ... + 37122.

It is an arithmetic number, because the mean of its divisors is an integer number (25521210).

Almost surely, 2^102012023 is an apocalyptic number.

102012023 is a deficient number, since it is larger than the sum of its proper divisors (72817).

102012023 is an equidigital number, since it uses as much as digits as its factorization.

102012023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72816.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 102012023 is about 10100.1001480183. The cubic root of 102012023 is about 467.2512300908.

Adding to 102012023 its reverse (320210201), we get a palindrome (422222224).

The spelling of 102012023 in words is "one hundred two million, twelve thousand, twenty-three".