101397623 has 4 divisors (see below), whose sum is σ = 106734360. Its totient is φ = 96060888.

The previous prime is 101397613. The next prime is 101397641. The reversal of 101397623 is 326793101.

It is a happy number.

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 101397623 - 2²² = 97203319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101397623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101397613) 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, 2668340 + ... + 2668377.

It is an arithmetic number, because the mean of its divisors is an integer number (26683590).

Almost surely, 2^101397623 is an apocalyptic number.

101397623 is a deficient number, since it is larger than the sum of its proper divisors (5336737).

101397623 is an equidigital number, since it uses as much as digits as its factorization.

101397623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5336736.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 101397623 is about 10069.6386727628. The cubic root of 101397623 is about 466.3112839109.

The spelling of 101397623 in words is "one hundred one million, three hundred ninety-seven thousand, six hundred twenty-three".