101202023 has 4 divisors (see below), whose sum is σ = 108986808. Its totient is φ = 93417240.

The previous prime is 101202019. The next prime is 101202041. The reversal of 101202023 is 320202101.

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: 320202101 = 107 ⋅2992543.

It is a cyclic number.

It is not a de Polignac number, because 101202023 - 2² = 101202019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101201995 and 101202013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101202053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3892373 + ... + 3892398.

It is an arithmetic number, because the mean of its divisors is an integer number (27246702).

Almost surely, 2^101202023 is an apocalyptic number.

101202023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

101202023 is a deficient number, since it is larger than the sum of its proper divisors (7784785).

101202023 is an equidigital number, since it uses as much as digits as its factorization.

101202023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7784784.

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

The square root of 101202023 is about 10059.9216199730. The cubic root of 101202023 is about 466.0112466356.

Adding to 101202023 its reverse (320202101), we get a palindrome (421404124).

The spelling of 101202023 in words is "one hundred one million, two hundred two thousand, twenty-three".