621023342 has 8 divisors (see below), whose sum is σ = 963657000. Its totient is φ = 299804344.

The previous prime is 621023339. The next prime is 621023357. The reversal of 621023342 is 243320126.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5353592 + ... + 5353707.

It is an arithmetic number, because the mean of its divisors is an integer number (120457125).

Almost surely, 2^621023342 is an apocalyptic number.

621023342 is a deficient number, since it is larger than the sum of its proper divisors (342633658).

621023342 is a wasteful number, since it uses less digits than its factorization.

621023342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10707330.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 621023342 is about 24920.3399254505. The cubic root of 621023342 is about 853.1707832810.

Adding to 621023342 its reverse (243320126), we get a palindrome (864343468).

The spelling of 621023342 in words is "six hundred twenty-one million, twenty-three thousand, three hundred forty-two".