101431723 has 4 divisors (see below), whose sum is σ = 101465280. Its totient is φ = 101398168.

The previous prime is 101431703. The next prime is 101431751. The reversal of 101431723 is 327134101.

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 101431723 - 2⁵ = 101431691 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101431694 and 101431703.

It is not an unprimeable number, because it can be changed into a prime (101431703) 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, 11740 + ... + 18457.

It is an arithmetic number, because the mean of its divisors is an integer number (25366320).

Almost surely, 2^101431723 is an apocalyptic number.

101431723 is a deficient number, since it is larger than the sum of its proper divisors (33557).

101431723 is an equidigital number, since it uses as much as digits as its factorization.

101431723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33556.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 101431723 is about 10071.3317391495. The cubic root of 101431723 is about 466.3635515155.

Adding to 101431723 its reverse (327134101), we get a palindrome (428565824).

The spelling of 101431723 in words is "one hundred one million, four hundred thirty-one thousand, seven hundred twenty-three".