101223013 has 4 divisors (see below), whose sum is σ = 106550560. Its totient is φ = 95895468.

The previous prime is 101223011. The next prime is 101223019. The reversal of 101223013 is 310322101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310322101 = 131 ⋅2368871.

It is a cyclic number.

It is not a de Polignac number, because 101223013 - 2¹ = 101223011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101222984 and 101223002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101223011) 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, 2663745 + ... + 2663782.

It is an arithmetic number, because the mean of its divisors is an integer number (26637640).

Almost surely, 2^101223013 is an apocalyptic number.

It is an amenable number.

101223013 is a deficient number, since it is larger than the sum of its proper divisors (5327547).

101223013 is an equidigital number, since it uses as much as digits as its factorization.

101223013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5327546.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 101223013 is about 10060.9648145692. The cubic root of 101223013 is about 466.0434623944.

Adding to 101223013 its reverse (310322101), we get a palindrome (411545114).

It can be divided in two parts, 1012 and 23013, that added together give a square (24025 = 155²).

The spelling of 101223013 in words is "one hundred one million, two hundred twenty-three thousand, thirteen".