623043323542 has 16 divisors (see below), whose sum is σ = 975254346720. Its totient is φ = 297960099712.

The previous prime is 623043323533. The next prime is 623043323563. The reversal of 623043323542 is 245323340326.

It is a super-2 number, since 2×623043323542² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437598 + ... + 1198990.

It is an arithmetic number, because the mean of its divisors is an integer number (60953396670).

Almost surely, 2^623043323542 is an apocalyptic number.

623043323542 is a deficient number, since it is larger than the sum of its proper divisors (352211023178).

623043323542 is a wasteful number, since it uses less digits than its factorization.

623043323542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779207.

The product of its (nonzero) digits is 311040, while the sum is 37.

Adding to 623043323542 its reverse (245323340326), we get a palindrome (868366663868).

The spelling of 623043323542 in words is "six hundred twenty-three billion, forty-three million, three hundred twenty-three thousand, five hundred forty-two".