2000023729451 has 24 divisors (see below), whose sum is σ = 2230631907840. Its totient is φ = 1791614887920.

The previous prime is 2000023729439. The next prime is 2000023729453. The reversal of 2000023729451 is 1549273200002.

It is a happy number.

It is not a de Polignac number, because 2000023729451 - 2⁶ = 2000023729387 is a prime.

It is a super-2 number, since 2×2000023729451² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2000023729453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4600196 + ... + 5016158.

It is an arithmetic number, because the mean of its divisors is an integer number (92942996160).

Almost surely, 2^{2000023729451} is an apocalyptic number.

2000023729451 is a deficient number, since it is larger than the sum of its proper divisors (230608178389).

2000023729451 is a wasteful number, since it uses less digits than its factorization.

2000023729451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416567 (or 416556 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

Adding to 2000023729451 its reverse (1549273200002), we get a palindrome (3549296929453).

The spelling of 2000023729451 in words is "two trillion, twenty-three million, seven hundred twenty-nine thousand, four hundred fifty-one".