101623413 has 4 divisors (see below), whose sum is σ = 135497888. Its totient is φ = 67748940.

The previous prime is 101623411. The next prime is 101623421. The reversal of 101623413 is 314326101.

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.

It is not a de Polignac number, because 101623413 - 2¹ = 101623411 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 101623413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101623411) 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, 16937233 + ... + 16937238.

It is an arithmetic number, because the mean of its divisors is an integer number (33874472).

Almost surely, 2^101623413 is an apocalyptic number.

It is an amenable number.

101623413 is a deficient number, since it is larger than the sum of its proper divisors (33874475).

101623413 is an equidigital number, since it uses as much as digits as its factorization.

101623413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33874474.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 101623413 is about 10080.8438634868. The cubic root of 101623413 is about 466.6571512232.

Adding to 101623413 its reverse (314326101), we get a palindrome (415949514).

The spelling of 101623413 in words is "one hundred one million, six hundred twenty-three thousand, four hundred thirteen".