1530656023 has 16 divisors (see below), whose sum is σ = 1669943520. Its totient is φ = 1394528256.

The previous prime is 1530656021. The next prime is 1530656033. The reversal of 1530656023 is 3206560351.

It is a cyclic number.

It is not a de Polignac number, because 1530656023 - 2¹ = 1530656021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530656021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 526911 + ... + 529807.

It is an arithmetic number, because the mean of its divisors is an integer number (104371470).

Almost surely, 2^1530656023 is an apocalyptic number.

1530656023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1530656023 is a deficient number, since it is larger than the sum of its proper divisors (139287497).

1530656023 is a wasteful number, since it uses less digits than its factorization.

1530656023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3426.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 1530656023 is about 39123.5993103907. The cubic root of 1530656023 is about 1152.4600201012.

The spelling of 1530656023 in words is "one billion, five hundred thirty million, six hundred fifty-six thousand, twenty-three".