3531423123 has 16 divisors (see below), whose sum is σ = 5251197600. Its totient is φ = 2345525280.

The previous prime is 3531423053. The next prime is 3531423139. The reversal of 3531423123 is 3213241353.

3531423123 is a `hidden beast` number, since 3 + 531 + 4 + 2 + 3 + 123 = 666.

It is not a de Polignac number, because 3531423123 - 2¹⁸ = 3531160979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (3531423173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235848 + ... + 250373.

It is an arithmetic number, because the mean of its divisors is an integer number (328199850).

Almost surely, 2^3531423123 is an apocalyptic number.

3531423123 is a deficient number, since it is larger than the sum of its proper divisors (1719774477).

3531423123 is a wasteful number, since it uses less digits than its factorization.

3531423123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486499 (or 486493 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 3531423123 is about 59425.7782700404. The cubic root of 3531423123 is about 1522.8247224092.

Adding to 3531423123 its reverse (3213241353), we get a palindrome (6744664476).

The spelling of 3531423123 in words is "three billion, five hundred thirty-one million, four hundred twenty-three thousand, one hundred twenty-three".