101402023 has 4 divisors (see below), whose sum is σ = 104673088. Its totient is φ = 98130960.

The previous prime is 101402011. The next prime is 101402039. The reversal of 101402023 is 320204101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101402023 - 2¹⁷ = 101270951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101401994 and 101402012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101402003) 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, 1635486 + ... + 1635547.

It is an arithmetic number, because the mean of its divisors is an integer number (26168272).

Almost surely, 2^101402023 is an apocalyptic number.

101402023 is a deficient number, since it is larger than the sum of its proper divisors (3271065).

101402023 is an equidigital number, since it uses as much as digits as its factorization.

101402023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3271064.

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

The square root of 101402023 is about 10069.8571489371. The cubic root of 101402023 is about 466.3180287764.

Adding to 101402023 its reverse (320204101), we get a palindrome (421606124).

The spelling of 101402023 in words is "one hundred one million, four hundred two thousand, twenty-three".