434653751623 has 48 divisors (see below), whose sum is σ = 570198859776. Its totient is φ = 327784121280.

The previous prime is 434653751611. The next prime is 434653751639. The reversal of 434653751623 is 326157356434.

It is not a de Polignac number, because 434653751623 - 2⁹ = 434653751111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434653751423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4093818 + ... + 4198648.

It is an arithmetic number, because the mean of its divisors is an integer number (11879142912).

Almost surely, 2^434653751623 is an apocalyptic number.

434653751623 is a deficient number, since it is larger than the sum of its proper divisors (135545108153).

434653751623 is a wasteful number, since it uses less digits than its factorization.

434653751623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105164 (or 105157 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 49.

The spelling of 434653751623 in words is "four hundred thirty-four billion, six hundred fifty-three million, seven hundred fifty-one thousand, six hundred twenty-three".