2001420530623 has 8 divisors (see below), whose sum is σ = 2008173421440. Its totient is φ = 1994673302040.

The previous prime is 2001420530611. The next prime is 2001420530639. The reversal of 2001420530623 is 3260350241002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2001420530623 - 2²⁹ = 2000883659711 is a prime.

It is a super-3 number, since 3×2001420530623³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2001420530591 and 2001420530600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001420530323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 706833 + ... + 2121898.

It is an arithmetic number, because the mean of its divisors is an integer number (251021677680).

Almost surely, 2^{2001420530623} is an apocalyptic number.

2001420530623 is a deficient number, since it is larger than the sum of its proper divisors (6752890817).

2001420530623 is a wasteful number, since it uses less digits than its factorization.

2001420530623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831117.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 2001420530623 its reverse (3260350241002), we get a palindrome (5261770771625).

The spelling of 2001420530623 in words is "two trillion, one billion, four hundred twenty million, five hundred thirty thousand, six hundred twenty-three".