2011400632623 has 8 divisors (see below), whose sum is σ = 2681881850368. Its totient is φ = 1340926584984.

The previous prime is 2011400632609. The next prime is 2011400632663. The reversal of 2011400632623 is 3262360041102.

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

It is not a de Polignac number, because 2011400632623 - 2³⁷ = 1873961679151 is a prime.

It is a super-2 number, since 2×2011400632623² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011400632663) 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, 1099711 + ... + 2287392.

It is an arithmetic number, because the mean of its divisors is an integer number (335235231296).

Almost surely, 2^{2011400632623} is an apocalyptic number.

2011400632623 is a deficient number, since it is larger than the sum of its proper divisors (670481217745).

2011400632623 is a wasteful number, since it uses less digits than its factorization.

2011400632623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3585053.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 2011400632623 its reverse (3262360041102), we get a palindrome (5273760673725).

The spelling of 2011400632623 in words is "two trillion, eleven billion, four hundred million, six hundred thirty-two thousand, six hundred twenty-three".