641354632023 has 32 divisors (see below), whose sum is σ = 1044666749952. Its totient is φ = 342003974400.

The previous prime is 641354632013. The next prime is 641354632027. The reversal of 641354632023 is 320236453146.

It is not a de Polignac number, because 641354632023 - 2⁵ = 641354631991 is a prime.

It is a super-2 number, since 2×641354632023² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641354632027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16173568 + ... + 16213173.

It is an arithmetic number, because the mean of its divisors is an integer number (32645835936).

Almost surely, 2^641354632023 is an apocalyptic number.

641354632023 is a deficient number, since it is larger than the sum of its proper divisors (403312117929).

641354632023 is a wasteful number, since it uses less digits than its factorization.

641354632023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32386815.

The product of its (nonzero) digits is 311040, while the sum is 39.

The spelling of 641354632023 in words is "six hundred forty-one billion, three hundred fifty-four million, six hundred thirty-two thousand, twenty-three".