20230134534 has 32 divisors (see below), whose sum is σ = 46506060000. Its totient is φ = 6510847392.

The previous prime is 20230134527. The next prime is 20230134559. The reversal of 20230134534 is 43543103202.

20230134534 is a `hidden beast` number, since 202 + 3 + 0 + 1 + 3 + 453 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 20230134498 and 20230134507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6457609 + ... + 6460740.

It is an arithmetic number, because the mean of its divisors is an integer number (1453314375).

Almost surely, 2^20230134534 is an apocalyptic number.

20230134534 is an abundant number, since it is smaller than the sum of its proper divisors (26275925466).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20230134534 is a wasteful number, since it uses less digits than its factorization.

20230134534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12918389 (or 12918383 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 20230134534 its reverse (43543103202), we get a palindrome (63773237736).

The spelling of 20230134534 in words is "twenty billion, two hundred thirty million, one hundred thirty-four thousand, five hundred thirty-four".