332561623 has 4 divisors (see below), whose sum is σ = 347020848. Its totient is φ = 318102400.

The previous prime is 332561611. The next prime is 332561681. The reversal of 332561623 is 326165233.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-332561623 is a prime.

It is a super-2 number, since 2×332561623² = 221194466184788258, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332561023) 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, 7229578 + ... + 7229623.

It is an arithmetic number, because the mean of its divisors is an integer number (86755212).

Almost surely, 2^332561623 is an apocalyptic number.

332561623 is a deficient number, since it is larger than the sum of its proper divisors (14459225).

332561623 is a wasteful number, since it uses less digits than its factorization.

332561623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14459224.

The product of its digits is 19440, while the sum is 31.

The square root of 332561623 is about 18236.2721793682. The cubic root of 332561623 is about 692.8257868364.

The spelling of 332561623 in words is "three hundred thirty-two million, five hundred sixty-one thousand, six hundred twenty-three".