623231563642 has 16 divisors (see below), whose sum is σ = 956727189792. Its totient is φ = 304324609680.

The previous prime is 623231563627. The next prime is 623231563651. The reversal of 623231563642 is 246365132326.

It is a Harshad number since it is a multiple of its sum of digits (43).

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, 71017 + ... + 1118707.

It is an arithmetic number, because the mean of its divisors is an integer number (59795449362).

Almost surely, 2^623231563642 is an apocalyptic number.

623231563642 is a deficient number, since it is larger than the sum of its proper divisors (333495626150).

623231563642 is a wasteful number, since it uses less digits than its factorization.

623231563642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054653.

The product of its digits is 933120, while the sum is 43.

Adding to 623231563642 its reverse (246365132326), we get a palindrome (869596695968).

The spelling of 623231563642 in words is "six hundred twenty-three billion, two hundred thirty-one million, five hundred sixty-three thousand, six hundred forty-two".