141621623 has 8 divisors (see below), whose sum is σ = 166380816. Its totient is φ = 118843200.

The previous prime is 141621583. The next prime is 141621643. The reversal of 141621623 is 326126141.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 141621623 - 2⁶ = 141621559 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 141621592 and 141621601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141621643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 495038 + ... + 495323.

It is an arithmetic number, because the mean of its divisors is an integer number (20797602).

Almost surely, 2^141621623 is an apocalyptic number.

141621623 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

141621623 is a deficient number, since it is larger than the sum of its proper divisors (24759193).

141621623 is a wasteful number, since it uses less digits than its factorization.

141621623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990385.

The product of its digits is 1728, while the sum is 26.

The square root of 141621623 is about 11900.4883513241. The cubic root of 141621623 is about 521.2465446502.

Adding to 141621623 its reverse (326126141), we get a palindrome (467747764).

The spelling of 141621623 in words is "one hundred forty-one million, six hundred twenty-one thousand, six hundred twenty-three".