1534013123 has 4 divisors (see below), whose sum is σ = 1536958008. Its totient is φ = 1531068240.

The previous prime is 1534013111. The next prime is 1534013137. The reversal of 1534013123 is 3213104351.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1534013123 - 2¹⁸ = 1533750979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1534013153) 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 3 ways as a sum of consecutive naturals, for example, 1471661 + ... + 1472702.

It is an arithmetic number, because the mean of its divisors is an integer number (384239502).

Almost surely, 2^1534013123 is an apocalyptic number.

1534013123 is a deficient number, since it is larger than the sum of its proper divisors (2944885).

1534013123 is an equidigital number, since it uses as much as digits as its factorization.

1534013123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2944884.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1534013123 is about 39166.4795839504. The cubic root of 1534013123 is about 1153.3019463561.

Adding to 1534013123 its reverse (3213104351), we get a palindrome (4747117474).

The spelling of 1534013123 in words is "one billion, five hundred thirty-four million, thirteen thousand, one hundred twenty-three".