1223053542 has 48 divisors (see below), whose sum is σ = 2809387152. Its totient is φ = 383216640.

The previous prime is 1223053529. The next prime is 1223053547. The reversal of 1223053542 is 2453503221.

It is a happy number.

1223053542 is a `hidden beast` number, since 1 + 2 + 2 + 305 + 354 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223053547) 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, 296917 + ... + 301007.

It is an arithmetic number, because the mean of its divisors is an integer number (58528899).

Almost surely, 2^1223053542 is an apocalyptic number.

1223053542 is an abundant number, since it is smaller than the sum of its proper divisors (1586333610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1223053542 is a wasteful number, since it uses less digits than its factorization.

1223053542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5093 (or 5090 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 1223053542 is about 34972.1824025896. The cubic root of 1223053542 is about 1069.4204629440.

Adding to 1223053542 its reverse (2453503221), we get a palindrome (3676556763).

The spelling of 1223053542 in words is "one billion, two hundred twenty-three million, fifty-three thousand, five hundred forty-two".