2123233531 has 8 divisors (see below), whose sum is σ = 2167032240. Its totient is φ = 2079695328.

The previous prime is 2123233529. The next prime is 2123233537. The reversal of 2123233531 is 1353323212.

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 2123233531 - 2¹ = 2123233529 is a prime.

It is a super-2 number, since 2×2123233531² = 9016241254325455922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2123233496 and 2123233505.

It is not an unprimeable number, because it can be changed into a prime (2123233537) 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, 48616 + ... + 81301.

It is an arithmetic number, because the mean of its divisors is an integer number (270879030).

Almost surely, 2^2123233531 is an apocalyptic number.

2123233531 is a deficient number, since it is larger than the sum of its proper divisors (43798709).

2123233531 is a wasteful number, since it uses less digits than its factorization.

2123233531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130253.

The product of its digits is 3240, while the sum is 25.

The square root of 2123233531 is about 46078.5582565253. The cubic root of 2123233531 is about 1285.2844542794.

Adding to 2123233531 its reverse (1353323212), we get a palindrome (3476556743).

The spelling of 2123233531 in words is "two billion, one hundred twenty-three million, two hundred thirty-three thousand, five hundred thirty-one".