101321123 has 4 divisors (see below), whose sum is σ = 101436240. Its totient is φ = 101206008.

The previous prime is 101321117. The next prime is 101321137. The reversal of 101321123 is 321123101.

101321123 is nontrivially palindromic in base 3.

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 101321123 - 2²² = 97126819 is a prime.

It is a super-2 number, since 2×101321123² = 20531939931962258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101321098 and 101321107.

It is not an unprimeable number, because it can be changed into a prime (101321023) 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, 56228 + ... + 58001.

It is an arithmetic number, because the mean of its divisors is an integer number (25359060).

Almost surely, 2^101321123 is an apocalyptic number.

101321123 is a deficient number, since it is larger than the sum of its proper divisors (115117).

101321123 is an equidigital number, since it uses as much as digits as its factorization.

101321123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115116.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 101321123 is about 10065.8394086137. The cubic root of 101321123 is about 466.1939840272.

Adding to 101321123 its reverse (321123101), we get a palindrome (422444224).

It can be divided in two parts, 101 and 321123, that multiplied together give a palindrome (32433423).

The spelling of 101321123 in words is "one hundred one million, three hundred twenty-one thousand, one hundred twenty-three".