2231523542 has 8 divisors (see below), whose sum is σ = 3349632000. Its totient is φ = 1114979544.

The previous prime is 2231523493. The next prime is 2231523583. The reversal of 2231523542 is 2453251322.

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

It is a super-3 number, since 3×2231523542³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387542 + ... + 393257.

It is an arithmetic number, because the mean of its divisors is an integer number (418704000).

Almost surely, 2^2231523542 is an apocalyptic number.

2231523542 is a deficient number, since it is larger than the sum of its proper divisors (1118108458).

2231523542 is a wasteful number, since it uses less digits than its factorization.

2231523542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782230.

The product of its digits is 14400, while the sum is 29.

The square root of 2231523542 is about 47239.0044560636. The cubic root of 2231523542 is about 1306.7740178733.

Adding to 2231523542 its reverse (2453251322), we get a palindrome (4684774864).

The spelling of 2231523542 in words is "two billion, two hundred thirty-one million, five hundred twenty-three thousand, five hundred forty-two".