1230523623 has 24 divisors (see below), whose sum is σ = 2120632560. Its totient is φ = 703155600.

The previous prime is 1230523601. The next prime is 1230523691. The reversal of 1230523623 is 3263250321.

1230523623 is a `hidden beast` number, since 1 + 2 + 30 + 5 + 2 + 3 + 623 = 666.

It is not a de Polignac number, because 1230523623 - 2⁶ = 1230523559 is a prime.

It is a super-2 number, since 2×1230523623² = 3028376773522092258, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230523423) 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, 463728 + ... + 466373.

It is an arithmetic number, because the mean of its divisors is an integer number (88359690).

Almost surely, 2^1230523623 is an apocalyptic number.

1230523623 is a deficient number, since it is larger than the sum of its proper divisors (890108937).

1230523623 is an equidigital number, since it uses as much as digits as its factorization.

1230523623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930124 (or 930111 counting only the distinct ones).

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

The square root of 1230523623 is about 35078.8201483459. The cubic root of 1230523623 is about 1071.5932891213.

Adding to 1230523623 its reverse (3263250321), we get a palindrome (4493773944).

The spelling of 1230523623 in words is "one billion, two hundred thirty million, five hundred twenty-three thousand, six hundred twenty-three".