123072453027 has 32 divisors (see below), whose sum is σ = 186824554560. Its totient is φ = 80026583040.

The previous prime is 123072452989. The next prime is 123072453041. The reversal of 123072453027 is 720354270321.

123072453027 is a `hidden beast` number, since 1 + 2 + 30 + 72 + 4 + 530 + 27 = 666.

It is not a de Polignac number, because 123072453027 - 2¹⁵ = 123072420259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123072452982 and 123072453000.

It is not an unprimeable number, because it can be changed into a prime (123072413027) 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 31 ways as a sum of consecutive naturals, for example, 5143363 + ... + 5167235.

It is an arithmetic number, because the mean of its divisors is an integer number (5838267330).

Almost surely, 2^123072453027 is an apocalyptic number.

123072453027 is a deficient number, since it is larger than the sum of its proper divisors (63752101533).

123072453027 is a wasteful number, since it uses less digits than its factorization.

123072453027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28580 (or 28574 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The spelling of 123072453027 in words is "one hundred twenty-three billion, seventy-two million, four hundred fifty-three thousand, twenty-seven".